1.
Safrianti E, Feranita, Nurhalim, Wahyu Dwi Reza. Design of pH Measuring Equipment for Liquid Waste from Coal Mining Using Arduino Uno. IJEEPSE [Internet]. 2022Nov.1 [cited 2024Nov.23];5(3):61-6. Available from: https://ijeepse.id/journal/index.php/ijeepse/article/view/110