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Halim Simatupang
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Indonesia
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Retno Dwi Suyanti
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Indonesia
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Ely Djulia
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Indonesia
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Mariati P Simanjuntak
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Indonesia
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Widia Ningsih
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Indonesia
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Abraham Pranata Sitinjak
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Indonesia
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Angga Raditia Ginting
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
Indonesia
(1) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia*
(2) Department of Chemistry Education, Chemistry Education, Universitas Negeri Medan,
(3) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
(4) Department of Physics, Physics Education Program, Universitas Negeri Medan, Medan, Indonesia
(5) Department of Biology, Science Education Program, Universitas Negeri Medan, Medan, Indonesia
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