Morka, J., C. Okafor, and M. C. Okafor. “INVESTIGATING THE OPTICAL CHARACTERISTICS OF NICKEL OXIDE THIN FILMS”. International Journal of Novel Research in Science, Technology and Engineering, vol. 7, no. 2, Dec. 2024, http://publications.oasisinternationaljournal.org/index.php/ijnrste/article/view/78.