Okhifo, A., G. I. Ndukwe, I. R. Jack, and O. J. Abayeh. “Synthesis and Antimicrobial Evaluation of Some Simple Phenylhydrazones”. Journal of Chemical Society of Nigeria, vol. 44, no. 2, Mar. 2019, https://journals.chemsociety.org.ng/index.php/jcsn/article/view/283.