Eissa Mohamed Almbrok, Hassana Abdelkader, and Adda Mohamed. “Potentiometric Studies of the PH Effect on the Coordination Behavior of Citric Acid Complexes With Cu²⁺ and Zn²⁺ in Heterobimetallic Complexes”. African Journal of Advanced Pure and Applied Sciences (AJAPAS) 4, no. 4 (November 23, 2025): 504–512. Accessed December 5, 2025. https://aaasjournals.com/index.php/ajapas/article/view/1690.