Nurul Hazwani Sabri, Noor Hidayu Abdul Rani, Arbanah Muhammad, and Mohamad Iqbal Kamarulzaman. 2020. “OPTIMAL PI TUNING RULES FOR LIQUID FLOW PROCESS CONTROL SYSTEM USING COHENCOON’S (C-C), ZIEGLER-NICHOLS’S (Z-N) AND TAKAHASHI’S TUNING METHOD”. Malaysian Journal of Industrial Technology 4 (1): 1-6. https://ejournal.unikl.edu.my/index.php/mjit/article/view/568.