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About The Authors
N. Manurung
Department of Biology Education, Faculty of Education and Teacher Training, Universitas Islam Sumatera Utara, Indonesia
Indonesia
Biology Education
M. R. M. Tarigan
Department of Biology Education, Faculty of Education and Teacher Training,
Universitas Islam Negeri Sumatera Utara, Indonesia
R. Saputra
Institute of Network Learning Technology, National Central University, Taiwan