Md Zain, Badrul Aisham, Fatin Farhana Anuar, and Saad Abdullah Khan. “The Improvement of Flexible Aerator Parameter to Increase Dissolved Oxygen Level in Freshwater”. International Journal of Integrated Engineering 12, no. 3 (February 3, 2020): 197–206. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/5359.