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Okmarisa, Happy, Sultan Syarif Kasim Riau State Islamic University (Indonesia)
Okmarisa, Heppy, Chemistry Education Study Program, FTK, Sultan Syarif Kasim Riau State Islamic University, Jl. H.R. Soebrantas Km 15, Simpang Baru, Tampan, Pekanbaru. Indonesia. 28293 (Indonesia)
Okmarisa, Heppy, Department of Chemistry Education, Faculty of Education and Teacher Training, State Islamic University of Sultan Syarif Kasim Riau, Jl. HR Soebrantas No. 155, Pekanbaru, Indonesia 28293 (Indonesia)
Okmarisa, Heppy, State Islamic University of Sultan Syarif Kasim Riau (Indonesia)
Oktariani, Oktariani, Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Islam Riau Jl. Kaharuddin Nasution No 113 Perhentian Marpoyan, Pekanbaru, Riau. Indonesia. 28284 (Indonesia)
Oktavianti, Femi, Padang State University (Indonesia)
Ovilia, Ghea, Universitas Pendidikan Indonesia (Indonesia)
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