Ismira I, Hidayat R, Ratnawulan R, Jonuarti R. Structure Analysis Of Fe3O4-Graphene Oxide Nanocomposite From Corn Cob Waste . Department of Physics, Universitas Negeri Padang [Internet]. 2024 Jun. 30 [cited 2024 Oct. 16];2(2). Available from: https://jeap.ppj.unp.ac.id/index.php/jeap/article/view/59