Abdullah Shah, and Dr. Muhammad Usman Farooq. “CRITICAL REVIEW ON ADSORPTION OF HEAVY METAL IONS FROM INDUSTRIAL WASTEWATER”. Spectrum of Engineering Sciences 3, no. 10 (October 3, 2025): 57–71. Accessed November 15, 2026. https://thesesjournal.com/index.php/1/article/view/1165.