Andrianto, R., Perwira, I., & Negara, I. (2021). Analisa Kualitas Air di Sungai Pelus, Purbalingga, Jawa Tengah. Current Trends In Aquatic Science, 4(1), 76-81. Retrieved from http://103.29.196.112/index.php/ctas/article/view/60698