The era of business competition in culinary field has experienced drastic changes along with the emergence of the Covid-19 Pandemic and the era of digitalization which requires every business actor to move on to the internet communication and information network. This development will certainly make the restaurant of Okoy Flower Garden Tomohon survive and continue to exist to serve consumers. The purpose of this study is to optimize the restaurant's marketing strategy in order to increase consumer buying interest. The research approach was more directed at quantitative methods with causal research on each of the variables studied. This study showed that the promotional strategy carried out by Okoy Flower Garden has not been implemented optimally. The effect of promotion has not been able to significantly increase consumer buying interest. The marketing strategy in terms of promotion in order to attract consumer buying interest has not been implemented optimally. The marketing strategy for promotion that does not have a strong effect on consumer buying interest at Okoy Flower Garden can be seen from the regression coefficient of the Consumer Buying Interest value of 0.135. The regression coefficient is positive, so it can be stated that the direction of the influence of the variable X on Y is positive.

Teacher leadership in school is increasingly being demanded to be able to improve the quality of teachers. It is required to do the analysis of the leadership behaviors toward teacher performance, the relationship between work motivation and teacher performance as well as the relationship between Leadership Behavior and Work Motivation towards Teacher Performance. This research is based on a qualitative approach.  In this study, the research sample is all members of the population unit totaling 13 people. The data collected was using a questionnaire instrument. The collected data of the researchable variable was analyzed by using the correlation technique of Product Moment and Double Correlation. The result of the research states that there was a relationship between leadership behavior and teacher performance in SMK Negeri 3 Manado, which was furthermore found as the relationship between work motivation and teacher performance as well as the relationship between leadership behavior and work motivation aligned with the teacher performance. In sum, the leader must apply behavioral leadership that builds school organization and motivation for teacher performance in their work environment. The teacher's performance on motivation needs to get improved, encouraged, and facilitated so that it will increase the professional performance of the teachers.

Efforts to improve student achievement can be started by procuring various factors influencing it. One crucial factor is to present a variety of teacher-teaching methods. Teachers very much need these factors and are more creative in carrying out more interesting learning so that students like the teacher and the content taught. Applying a Jigsaw approach or cooperative learning for students so that they have significant responsibility in learning can inspire students to speak in front of the class. This study aims to determine students' understanding of social studies through learning with the Jigsaw method of choice in class X SMK Negeri 3 Manado. With a qualitative design and a descriptive approach strategy, this study is expected to understand the level of mastery of social studies content using the Jigsaw method and approach. Data collection techniques are data analysis from a series of teacher interviews and direct observations in the classroom. A single case study because it only chose one location. The case study is anchored because it has focused on the problem under study before researching the field. The procedure for implementing qualitative research is flexible according to the field's needs, situations, and conditions. In general, the results of qualitative research show that it is closely related to achieving effective and efficient learning objectives. The relationship between the material and the tasks carried out by students needs to be clarified so that each group and its members need clarification about the discussion material and its objectives. In this connection, it is unwise for teachers to criticize students' opinions, especially their criticisms, constantly. Keywords:  Jigsaw Approach, Social Sciences, Learning Model