M. Tazul Islam, and M. Jamaluddin Ahmed , trans. “A Simple Spectrophotometric Method for the Trace Determination of Zinc in Some Real, Environmental, Biological, Pharmaceutical, Milk and Soil Samples Using5,7- Dibromo-8-Hydroxyquinoline”. Pakistan Journal of Analytical & Environmental Chemistry 14, no. 1 (June 3, 2013): 01–15. Accessed July 12, 2025. https://pjaec.pk/index.php/pjaec/article/view/358.