Ebrahim A. Lab kit for liquid level measurement using valve opening with PID controller: Ahmed Abdulhameed Ebrahim, Yvette Shaan-Li Susiapan*. TSSA [Internet]. 2020 Dec. 24 [cited 2025 Jun. 29];3(2). Available from: http://www.tssa.my/index.php/jtssa/article/view/109