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Sintha Wahjusaputri
http://scholar.google.co.id/citations?user=_JM26A8AAAAJ&hl=en
Universitas Muhammadiyah Prof. Dr. Hamka, Jakarta
Indonesia
Departement of Educationa
Mohammad Suryadi Syarif
Universitas Muhammadiyah Prof. Dr. Hamka, Jakarta
Indonesia
Doni Purwani
Universitas Muhammadiyah Prof. Dr. Hamka, Jakarta
Indonesia
Rahma Widiati
Universitas Muhammadiyah Prof. Dr. Hamka, Jakarta
Indonesia
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