Wilvi Eko Saputra Master Student of Biology Education FMIPA Universitas Negeri Padang
Prof. Dr. Hamka St. Air Tawar Barat Padang-25131, Indonesia Indonesia
Zulyusri . Lecturer of Biology Education Postgraduate Program Universitas Negeri Padang
Prof. Dr. Hamka St. Air Tawar Barat Padang-25131, Indonesia