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Copyright (c) 2023 Oktapianus Saputra Purba, Friska Juliana Purba
This work is licensed under a
Creative Commons Attribution-ShareAlike 4.0 International License.
Department of Chemistry Education, Faculty of Education| Universitas Pelita Harapan | Lippo Karawaci, Tangerang, Indonesia, 15811| +62 21 546 0901 | kelly.sinaga@uph.edu
