This research aims to determine job satisfaction and motivation as mediating the relationship between teacher certification and principal supervision of teacher performance. The research design used a quantitative approach to causality. To obtain research data using documentation instruments and distributing questionnaires online. The sample used in the study was 215 respondents. The basis for determining the sample is oriented towards a non-probability sampling approach using a purposive sampling formula. To test the mediating effect of satisfaction and the relationship between principal supervision and compensation on teacher performance, the structural equation modeling (SEM) approach with partial least squares analysis is used. Following the research results, Teacher certification has a significant effect on satisfaction and motivation, and teacher certification has no significant effect on teacher performance. The results of subsequent research and the principal's supervision have a significant effect on job satisfaction, motivation, and teacher performance. Furthermore, the results showed that job satisfaction could not mediate the relationship between teacher certification and principal school supervision of teacher performance for the first and second mediation tests. Then, for the third and fourth mediation tests, results were obtained, which stated that motivation could not mediate the relationship between teacher certification and supervision of school principals on teacher performance. Therefore, principal supervision has a significant effect on job satisfaction, motivation, and teacher performance.

This study aims to examine the effect of work discipline and work ethic on the performance of Sultan Agung Private Middle School teachers. The number of samples in this study were 31 teachers obtained by the census method. The instrument used in this study was a questionnaire that was distributed directly to the teacher as a respondent. Testing research instruments using validity and reliability tests. Data analysis used multiple linear regression, correlation, coefficient of demertination, simultaneous and partial test. The results of the research and hypothesis testing show that work discipline variables and the ethic of apes have a positive and significant effect on teacher performance. The empirical findings indicate that in order to improve work discipline at Sultan Agung Pematangsiantar Private Middle School there needs to be a transparent system in recruiting permanent teachers who only teach at Sultan Agung Pematangsiantar Private Middle School so that the teacher focuses on his/her work. Then to improve the work ethic of Sultan Agung Pematangsiantar Private Middle School teachers, the principal as the leader should be able to provide personal and organizational motivation so that every teacher who works can maintain a balance of work ethic competently. Furthermore, to improve performance, every teacher should have the characteristics of self-enhancing potential so that the consistency of teacher professionalism can develop.

Objective.    Kedai Kopi Baravi Pematangsiantar merupakan salah satu usaha dagang khususnya produk minuman. Salah satu produk yang ditawarkan adalah minuman yang berbaur dengan kopi hitam dan sekaligus menjadi fokus produk pada penelitian ini, hal ini dikarenakan produk yang ditawarkan pada Kedai Kopi Baravi Pematangsiantar sebagian besar adalah produk yang berbaur dengan kopi hitam dan juga karena sebagian besar pengunjung Kedai Kopi Baravi adalah laki - laki yang menyukai produk yang berbaur dengan kopi hitam. Tujuannya yaitu untuk memenuhi gaya hidup masyarakat pada zaman sekarang, dimana masyarakat lebih senang menghabiskan waktu luangnya untuk mengunjungi kafe yang dapat membuat konsumen merasa nyaman. Untuk segmen dalam menarik konsumen Kedai Kopi Baravi Pematangsiantar berupaya untuk menciptakan kualitas produk yang baik dan memberikan lokasi yang baik juga agar mendapatkan kepuasan konsumen. Research Methods. Lokasi dilakukan di Kedai Kopi Baravi Pematangsiantar. Populasi dalam penelitian ini adalah pelanggan yang berkunjung ke Kedai Kopi Baravi Pematangsiantar pada  bulan April sebanyak 70 orang dimana seluruh populasi menjadi sampel. Results. Hasil penelitian ini dapat disimpulkan lokasi dan kepuasan konsumen sudah baik. Selanjutnya, terdapat pengaruh positif antara Lokasi terhadap kepuasan konsumen Kedai Kopi Baravi Pematangsiantar. Kemudian, terdapat hubungan yang sedang dan positif antara lokasi terhadap kepuasan konsumen. Selain itu, lokasi berpengaruh positif dan signifikan terhadap kepuasan konsumen Kedai Kopi Baravi Pematangsiantar secara parsial. Conclusion. Hasil analisis deskriptif kualitatif menunjukkan lokasi sudah baik. Kemudian nilai rata-rata tertinggi pada dimensi Akses untuk indikator jarak lokasi dengan masyarakat. Sedangkan nilai rata-rata terendah pada dimensi Tempat parkir untuk indikator kondisi tempat parkir.

One of the production sectors that has become the flagship product of Pematangsiantar City is ulos cloth. Ulos cloth is a typical woven fabric of the Batak community developed for generations in North Sumatra, one of which is the city of Pematangsiantar. This study aims to explore various information related to the number of ulos craftsmen in Pematangsiantar city to facilitate the government in grouping these ulos craftsmen and as a first step to formulate an innovation strategy for the development of creative ulos fabric production to be able to develop superior products armed with knowledge. knowledge, creativity, innovation and being able to create jobs for the community. This type of research is qualitative with a one-shot model, namely an approach model by conducting one-time data collection on an object of research. The research subjects taken in this study were ulos craftsmen spread across eight sub-districts of Pematangsiantar City. The analysis was carried out in eight sub-districts in Pematangsiantar City. Data collection techniques using observation, interviews and questionnaires, field notes and documentation.The results of the study concluded that the innovation strategy applied by the ulos fabric craftsmen was not optimal, this was due to the limited capacity and opportunity to innovate, the ulos craftsmen experienced problems in making product innovations related to technological limitations caused by limited investment capital to buy new machines or equipment. to improve production processes and limited human resources who can operate new machines or make innovations that take advantage of technological developments.

This research aims to determine the role of job satisfaction as a mediator of the relationship between principal supervision and compensation for teacher performance. The research design used a quantitative approach to causality. To obtain research data using documentation instruments and distributing questionnaires online. The sample used in the study was 215 respondents. The basis for determining the sample is oriented towards a non-probability sampling approach using a purposive sampling formula. To test the mediating effect of satisfaction and the relationship between principal supervision and compensation on teacher performance, a structural equation modeling (SEM) approach is used using partial least squares. Under the research results, It was found that the fact that principal supervision had a significant effect on job satisfaction and teacher performance. Then compensation also has a significant effect on job satisfaction and teacher performance. The findings of the mediation effect state that job satisfaction successfully mediates the relationship between principal supervision and compensation for teacher performance