Zainal, Azavitra, Nik Mohammad Ikram Akmal Nik Razali, and Ashraf Rohanim Asari. “Development of a Low-Cost PID Tuning Kit for Engineering Education”. Journal of Advanced Research Design 147, no. 1 (November 3, 2025): 77–86. Accessed November 5, 2025. https://www.akademiabaru.com/submit/index.php/ard/article/view/6327.