The purpose of this research is to analyze the effect of effect of audit committee, leverage, return on assets, company size, and sales growth of tax avoidance. The population in this research is  a manufacturing company listed in Indonesia Stock Exchange (IDX) period 2014-2016. The sample is determined by purposive sampling technique and obtained sample of 60 companies. This research uses multiple regression data analysis techniques. The result in this research is audit commitee, leverage, return on assets, company size, and sales growth influence to tax avoidance.

This study aims to determine the effectiveness of the use of google classroom media on students' learning outcomes at Madrasah Ibtidaiyah Teacher Education Department of UIN Syarif Hidayatullah Jakarta. The research adopts qualitative method, which examines students' learning outcomes using google classroom media, where researchers apply the media during learning instruction. Data collection techniques used were students' learning outcomes, in-depth interviews, and documentation. Data analysis using interactive models and testing the validity of data using tests of credibility (internal validity), transferability (external validity), dependability (reliability), and cconformability (objectivity). The results showed that the use of google classroom media was effective in improving the students' learning outcomes of Madrasah Ibtidaiyah Teacher Education Department of UIN Syarif Hidayatullah Jakarta. Therefore, the use of google classroom media can be used as an alternative media in the learning process.

Waste tyres have been an increasing problem every year due to the increase in vehicle sales. In Indonesia, more than 50 million waste tyres were generated every year. However, materials in waste tyre such as textile and steel fibers, actually, can be used to improve the mechanical properties of the concrete. Recently, some researchers have been devoted to the utilization of steel fibers extracted from the waste tyre (SFEFWT) on the concrete. This study focuses on the investigation of SFEFWT effect on the concrete containing palm oil fuel ash (POFA). Steel fibers were extracted from waste tyres by manually cutting process and being cut to 1 inch (25.4 mm) length. A number of cylindrical and beam specimens of concrete containing 15% palm oil fuel ash by being partially replaced the weight of cement, with addition 0.25%, 0.50%, 0.75% and 1% SFEFWT were cast and tested. The mechanical properties such as compressive, tensile and flexural strengths at the age of 28 days are studied for having prepared the concrete. The results show that the addition of SFEFWT on the concrete containing POFA improves the concrete strengths, particularly the tensile and flexural strengths. The more percentage of SFEFWT content on the POFA concrete results in the higher increase in tensile and flexural strengths. In addition, the presence of SFEFWT contributes to give higher bonding on concrete to control the crack opening on the POFA concrete.

This study shows the influence and relationship of Islamic moral values to the students' behavior in Aceh Province. Learning Objects are the moral values of Islam achieved in learning in high school and vocational institutions that are assumed to affect the students' behavior. The quantitative methods used in this study and was running by SPSS program. Data analysis using MRPI Likert Scale instrument. The data were taken from the students in the school totaling of 191 samples. The t-test and r test are used to analyze data from this research sample. The study found that Islamic moral values significantly correlated with the behavioral student at the level; [r (98) = 2.186 P <0.05]. The mean difference scores is 4.7 percent at the level (eta2 = 0.0047) and it was explained by the mean score at the rate (48.05: 5.56), and the student behavior is described with the average score (45.7: 5.12). In which a relational to behavioral variables (Y) with horizontal and vertical Islamic moral values (X1 and X2). This findings represented by multiple regression test (r) which score of 12.28 percent. Therefore, the study found significant differences between male and female student and positively related to student behavior. These findings have explained the pattern of relationships and the influence of moral values on students and implications for future research practice due to Islamic moral values and behaviral students.

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Principal's strategy is the art and knowledge gained by a principal in formulating, implementing, evaluating cross-functional decisions that facilitate the organization in achieving goals. Teachers are the key to the success of an educational institution. Good and bad behavior or teaching procedures for teachers will greatly affect the image of educational institutions. This study aims to examine and discuss in-depth the principal's strategy in developing teacher competence at MA Tarbiyatul Islam Gending Probolinggo. This study uses a descriptive qualitative approach. Data collection techniques with interviews, observations, and documentation. The results of the study indicate that: (1) The model that can be used to improve the competence of teachers in carrying out their duties is through In-service education or In-service training programs. (2) The strategic steps of the principal's leadership in developing teacher competence to improve the quality of education are the first formal strategy, namely the teacher is assigned by the institution to attend education and training, the second non-formal strategy, namely the teacher on his own desire and effort to train and develop himself related to work or position.

Human-Computer Interaction (HCI) is a scientific field to determine user characteristics or so-called persona. HCI describes a system that must be easy to use, provides security to users, easy to learn and has usability. The purpose of the study was conducted to obtain various perspectives on the use of software in the InfoKHS University of Muhammadiyah Malang (UMM) academic system according to user characteristics so that the design of software requirements is expected to be representative of various types of users. The HCI assessment is carried out in software development (SD) focusing on the elicitation of needs. Focus on using user methods. As an analysis of user needs. Qualitative data were analyzed based on country hypotheses obtained for the first time in this research phase. In this study, a User Persona was done with an iterative method to ensure each phase was validated. The results show that iterations are needed several times to get the use of detailed cases diagram of each user's needs.