Rachman, Abdillah Ali, and Muhamad Ariandi. “Optimization of Catfish Pond Water PH With PID Control Using Outseal PLC”. Buletin Ilmiah Sarjana Teknik Elektro 5, no. 3 (September 30, 2023): 398–406. Accessed November 21, 2024. http://journal2.uad.ac.id/index.php/biste/article/view/8944.