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Fatma Suryani Harahap
Pendidikan Kimia, FKIP Universitas Muhammadiyah Tapanuli Selatan,
Indonesia
Yusni Atifah
Pendidikan Biologi, FKIP Universitas Muhammadiyah Tapanuli Selatan
Indonesia
Melvariani Syari Batubara
Pendidikan Biologi, FKIP Universitas Muhammadiyah Tapanuli Selatan
Indonesia
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