Nnodum, Chima, and Kafeelah Yusuf , trans. “Ecological Risk Assessment of Pharmaceutical Residues in Surface Water”. International Journal of Scientific Research and Management (IJSRM) 10, no. 05 (May 20, 2022): 56–62. Accessed June 15, 2025. https://www.ijsrm.net/index.php/ijsrm/article/view/3936.