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Sintha Wahjusaputri
http://scholar.google.co.id/citations?user=_JM26A8AAAAJ&hl=en
Univerisity of Muhammadiyah Prof. Dr. Hamka
Indonesia
Departement of Educationa
Muhammad Arifin Rahmanto
Univerisity of Muhammadiyah Prof. Dr. Hamka
Indonesia
Dewi Zulviana
Univerisity of Muhammadiyah Prof. Dr. Hamka
Indonesia
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