Report copyright - BAB II KAJIAN TEORETIS A. 1. Peer Tutoring · 2020. 7. 13. · 29 Yayan Sunarya, Kimia Dasar 2, (Bandung: CV. Yrama Widya, h. 449. 30 Yuni Fatisa, Kimia Organik 1, (Pekanbaru: Kreasi
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