Author Details

Sumarmin, Ramadhan, Lecturer of Biology Department, Universitas Negeri Padang Jl. Prof. Dr. Hamka, Air Tawar Barat, Padang - 25131, Indonesia, Indonesia

  • Vol 10, No 1 (2018) - Articles
    The Development of Student Worksheet Based on Scientific Approach on Environmental Pollution Topic For Junior High School Student Grade VII
    Abstract  PDF