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About The Authors

Yumara Insani
Fakultas Sains dan Teknologi, Universitas PGRI Sumatera Barat
Indonesia

Rini Novita
Fakultas Sains dan Teknologi, Universitas PGRI Sumatera Barat
Indonesia

Satrio Junaidi
Fakultas Sains dan Teknologi, Universitas PGRI Sumatera Barat
Indonesia

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