S. Mukhtar, A. . Almutaleb, A. . Hamil, K. Khalifa, Y. A. Alkhayali, and S. . Saad, “Synthesis of 3-hydroxy-4-{[(2E)-2-(hydroxyimino)ethylidene]amino}-naphthalene-1-sulfonic acid for Complex formation of Cr3+, Co2+, Ni2+ and Cu2+ ions”, LJMR, vol. 19, no. 2, pp. 126–132, Jul. 2025, doi: 10.54361/LJMR.19.2.16.