Khairafah, Muthia Embun, Pendidikan IPA, FMIPA Universitas Negeri Medan (Indonesia)
Khairunissa, Dira, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Medan State University, Medan 20221, Indonesia (Indonesia)
Khairunnisa, Khairunnisa, Jurusan Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Medan (Indonesia)
Kirana, Sasi Yuni, Program Studi Diploma III Farmasi Politeknik Harapan Bersama, Tegal (Indonesia)
Kolibongso, Duaitd, Fisheries and Marine Science Faculty, Papua University, Jl Gunung Salju Amban, Manokwari, Papua Barat 98314, Indonesia

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