Yong, Wai Xhuen, and Ahmad Najmuddin Ibrahim. “Field Study of PID Parameter Tuning Investigation in Peristaltic Dosing Pump Control for Use in Automated Fertilizer Mixing System”. Mekatronika: Journal of Intelligent Manufacturing and Mechatronics, vol. 2, no. 2, Oct. 2020, pp. 13-22, doi:10.15282/mekatronika.v2i2.6742.