Nurfajriani, Nurfajriani, Jurusan Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Medan
Nurfajriani, Nurfajriani, Department of Chemistry, Faculty Of Mathematics annd Natural Sciences, State University of Medan (Indonesia)
Nurhasanah, Nurhasanah, urusan Pendidikan Kimia Universitas Islam Negeri Sultan Syarif Kasim, Jalan Raya Pekanbaru - Sungai Pagar, Rimba Panjang, Tambang, Riau 28293, Kota Pekanbaru (Indonesia)
Nurhayati, Sri, Universitas Islam Negeri Sultan Syarif Kasim Riau Pekanbaru (Indonesia)
Nursanni, Banu, Department of Mechanical Engineering, Faculty of Engineering, Universitas Negeri Medan, Medan 20221, Indonesia (Indonesia)

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