Sudirwan, Iwan, S. Imam Wahyudi, and Jonathan Lekkerkerk. “Automatic “Diver” Observation and Pumping Simulation of Polder Drainage System, Case Study on Terboyo, Semarang, Indonesia”. International Journal of Sustainable Construction Engineering and Technology 11, no. 1 (May 8, 2020): 108–114. Accessed March 11, 2026. https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/6233.