Mohd Azly, Nur Fatin Syahirah, Ena Marlina, and Zaizatul Zafflina Mohd Zaki. “Effectiveness of Solar Distillation System in Treating Direct Discharge of Car Wash Wastewater”. International Journal of Integrated Engineering 17, no. 7 (December 31, 2025): 181–188. Accessed April 15, 2026. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/21610.