Edaris, Zahratul Laily, and Syariza Abdul-Rahman. 2016. “Performance Comparison of PID Tuning by Using Ziegler-Nichols and Particle Swarm Optimization Approaches in a Water Control System”. Journal of Information and Communication Technology 15 (1): 203-24. https://doi.org/10.32890/jict2016.15.1.10.