Mohd. Ali, Hapipah, Siti Nadiah Abdul Halim, Subramaniam P, Sharifudin M. Zain, and Endom Ismail. 2006. “Synthesis and Biological Activities of Nickel(II) and Cadmium(II) Complexes of Chlorohydroxyacetophenone-Nitrobenzoylhydrazone: Mechanism for Formation of the Nickel(II) Complex”. Malaysian Journal of Science 25 (1):99-105. https://mjs.um.edu.my/index.php/MJS/article/view/8276.