Kanjanakaroon, Pongpan, Surachai Amnuaypornlert, Pollasit Sipho, Panupong Nilobol, and Rungthip Lueail. “Comparison of Bedload Drainage Efficiency of Ogee Weir, Labyrinth Weir and Piano Key Weir”. Engineering and Technology Horizons 40, no. 2 (June 29, 2023): 1–14. accessed September 11, 2026. https://ph01.tci-thaijo.org/index.php/lej/article/view/250737.