Abdurrakhman, A., Sutiarso, L., Ainuri, M., Ushada, M., & Islam, M. P. (2024). Design of a Pressure Control System in Biogas Reactor Based on PID Controller with Ziegler-Nichols and Auto Tuning PSO. Jurnal Otomasi Kontrol Dan Instrumentasi, 16(2), 104-116. https://doi.org/10.5614/joki.2024.16.2.5