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Journal of Chemical Natural Resources
Faculty of Mathematics and Natural Sciences
Universitas Sumatera Utara
Jalan Bioteknologi No. 1 Kampus USU Pd. Bulan
Medan 20155, Sumatera Utara - Indonesia
Phone : 061-8214290
Email : jcnar@usu.ac.id
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.