References

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Berkowitz, M.W., 2011. What works in values education. Intl. J. Educ. Res., 50: 153-158.
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Elkind, D.H. and S. Freddy, 2004. How to do character education. Live Wire Media, Mill Valley California.

Endang, M., 2014. [Applied Research Methods Field of Education]. Penerbit Alfabeta, Bandung, Indonesia, (In Indonesian).

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Wibowo, A., 2008. [Educational Malpractice]. Genta Press, Yogyakarta, Indonesia, Pages: 181 (In Indonesian).