Okpechi, K. U. P., E. C. Nwaokorongwu, U. Joseph, C. O. Akwuegwu, and U. Ezere. “Fabrication and Characterization of Aluminum-Doped Nickel Oxide Thin Films for Optoelectronic Applications Using the SILAR Method”. UMYU Scientifica, vol. 3, no. 4, Oct. 2024, pp. 94-107, doi:10.56919/usci.2434.009.