This study aims to analyze the role of the leadership on teacher performance, and the role of teacher motivation as a mediator of the role of the leadership on teacher performance. The population of all Islamic Junior High School (SMP) teachers in Probolinggo Regency, amounting to 110, used a proportional random sampling technique, the sample used was 52 teachers. Using a questionnaire for data collection with a 5 point Likert scale, while the data analysis technique used Path Analysis. The leadership of the principal has implemented a clear and realistic strategy, cares for members, has the ability to motivate, maintains team cohesiveness, respects members' differences and beliefs. Teachers have good work motivation, reflected in the fulfillment of physiological needs, security, social, appreciation, and self-actualization needs. Teachers also have good performance, shown from the fulfillment of performance targets, quality of work, punctuality, and compliance with the principles. The research findings indicate that the stronger the principal's leadership will improve teacher performance, the principal's leadership is also able to increase teacher work motivation, and work motivation will contribute to teacher performance.

This paper presents a ngejot tradition which is a da’wah bil hal that has contributed a lot to the establishment of religious harmony in Bali, especially in Buleleng Regency. This is based on the lack of people that not interested by da’wah bil hal method in Islamic da'wah activities today. This research focuses on the values of Islamic teachings that contained in ngejot tradition, so it is expected to be a solution of harmony among religious communities in Indonesia, especially in Bali. This research uses qualitative method with case study approach. The results showed that, ngejot tradition is an implementation of da’wah bil hal that contains some values such as silaturrahim, shadaqah, musawa and tasamuh. In addition, ngejot is a tradition that able to provide solutions to religious harmony in Bali

Technology plays a very important role in human life. Many devices and applications are created to facilitate human work. In the world of chicken farming many problems are found both in terms of objects and their management. In chicken farms, problems often arise about the decline in the quality of livestock due to disease attacks. Diseases in chicken farms arise due to poor chicken coop conditions and lack of attention from the management. To maintain the condition of the chicken coop remains sterile from disease attacks, then spraying disinfectant chemicals. Disinfectant chemicals are classified as dangerous when exposed to the human body directly. Automatic chicken cage disinfectant spray with Android-based arduino UNO aims to simplify and provide a sense of security when spraying disinfectant for farmers. The process of spraying disinfectant can be done remotely using an Android smart phone application and Arduino Uno microcontroller hardware with Bluetooth communication. HC-05 bluetooth module as a communication medium between Android smart phone with arduino Uno, diarfaghma 12 vdc pump, 80 psi as spray disinfectant while disinfectant spray drive uses 5 vdc motor. Automatic chicken cage disinfectant spray can be done at a maximum distance of 10 meters.