Mtana, Herry M., Neema Msuya, and Zainab Katima. “Effectiveness of Natural Coagulants in Purification of Industrial Wastewater: A Case of Cactus Pads and Watermelon Seeds”. Tanzania Journal of Engineering and Technology 43, no. 4 (December 31, 2024): 133-152. Accessed March 18, 2025. https://tjet.udsm.ac.tz/index.php/tjet/article/view/985.