Zuhaida, Anggun, Ari Widodo, Eka Cahya Prima, and Rini Solihat. “River Water Quality Analysis Using Arduino-Based Sensor of the Cikapundung River, Indonesia”. International Journal of Online and Biomedical Engineering (iJOE) 20, no. 07 (May 6, 2024): pp. 30–47. Accessed December 4, 2024. https://online-journals.org/index.php/i-joe/article/view/48179.