Items where Author is "M. SULTHON, AMIEN"
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M. SULTHON, AMIEN and Ratno Abidin, S.Pd., M.Pd. and Hidayatullah, Achmad and Ridlwan, Muhammad INVESTIGATING THE SOURCE OF STUDENT SELF- EFFICACY AND ITS RELATIONS TO AFFECTIVE FACTORS IN MATHEMATICS LEARNING. JOURNAL OF ELEMENTARY EDUCATION.