Indonesian Journal on Learning & Advanced Education (IJOLAE). Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta.
Chicago-referens (17:e uppl.)Indonesian Journal on Learning & Advanced Education (IJOLAE). Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta.
MLA-referens (9:e uppl.)Indonesian Journal on Learning & Advanced Education (IJOLAE). Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta.
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