Khanam J, Rahman L, Biswas B, et al. Fabrication of Ferrous Sulfate from Waste Like Condensed Milk Containing Can and its Characterization. ASRJETS-Journal. 2018;42(1):157-165. Accessed September 18, 2025. https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/4014