Developed By
  1. Developer: Harjito, S.Pd., M.Sc., Department of Chemistry, Mathematics and Science Faculty
  2. Supervisor 1: Prof. Dr. Sudarmin, M.Si., Department of Science Education, Doctoral Program
  3. Supervisor 2: Prof. Dr. Hartono, M.Pd., Department of Science Education, Doctoral Program
  4. Universitas Negeri Semarang, Indonesia
  5. Hak Cipta No. EC00202015228, 13 Mei 2020, No. pencatatan 000187414
  6. Copyright all reserved
Thanks To
Mark Moulton
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