Gebby Wevi Angraini, Ramli. Effect of Addition of Seaweed (Sargassum sp.) Charcoal with Pure Graphite on the Microstructure of Graphene Oxide Synthesized by the Modified Hummer’s Method. Department of Physics, Universitas Negeri Padang [Internet]. 2023 Sep. 30 [cited 2025 Apr. 19];1(2). Available from: https://jeap.ppj.unp.ac.id/index.php/jeap/article/view/18