References

Krismastyanti, A., 2009. Social Competence Principal SMA Negeri 105 Jakarta. Universitas Gunadarma, Depok, Indonesia,.

Muslihah, E., 2015. Contribution to the development model of supervision principal of professionalism of the state high school teacher banten province. J. Educ. Culture, 20: 1-15.
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Oktavia, R., 2014. Entrepreneurship competence principal of junior high school in district downstream gumanti Solok. Bahana Educ. Manage., 2: 596-605.
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Syafmawati, I., 2013. Perception of competence teachers supervision sd principal state district of North Padang Padang City. Bahana Manage. Educ., 1: 21-34.
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Wibowo, D., 2009. Influence supervising principal and teacher pedagogical competence performance against teacher SDN district. Master Thesis, Semarang State University, Semarang, Indonesia.