Afroe, Nahdya. “Design and Construction of a Urinalysis Instrument for Early Diagnosis of Disease Using TCS3200 Color Sensor and PH E-201C Based on the Internet of Things”. Journal of Experimental and Applied Physics 4, no. 1 (March 31, 2026). Accessed April 19, 2026. https://jeap.ppj.unp.ac.id/index.php/jeap/article/view/168.