Manir, Md Serajum, et al. “Synthesis of Gamma Irradiated Cobalt Oxide Nanoparticles for Visible Light- Induced Photocatalytic Degradation of Methylene Blue Dye”. Journal of Science and Technology Research , vol. 6, no. 1, Dec. 2024, pp. 175-8, doi:10.3329/jscitr.v6i1.77390.