Sartika Tin Kartini Biology Education Postgraduate Program, Faculty of Mathematic and Natural Sciences, Padang State University, Jl. Prof. Dr. HAMKA, Air Tawar Padang, Postal Code: 25131 Indonesia
Biology Education Postgraduate Program, Faculty of Mathematic and Natural Sciences, Padang State University, Jl. Prof. Dr. HAMKA, Air Tawar Padang, Postal Code: 25131