Hossain, MM, MMH Khan, RS Prattaya, MH Yasmin, and M Khatun. “Spectrophotometric Determination of Trace Amount of Iron in Water, Food, and Pharmaceutical Samples”. Bangladesh Journal of Scientific and Industrial Research 56, no. 4 (December 29, 2021): 299–306. Accessed November 13, 2025. https://www.banglajol.info/index.php/BJSIR/article/view/57194.