Hashim , A. , Elsammani , A. and Gesmallah Ismail, H. 2024. Determination of the Optical Properties of Cobalt Oxide Using Ultraviolet Visible Spectroscopy . BIMA JOURNAL OF SCIENCE AND TECHNOLOGY (2536-6041). 8, 3A (Sep. 2024), 156-162. DOI:https://doi.org/10.56892/bima.v8i3.773.