Helmi, Luhlu Aprilia, Yuliati, and Eko Prianto. “Ecological Status of the Umban Sari River Waters in Pekanbaru City With Macrozoobenthos Bioindicators Using the ABC Curve Method”. JURNAL MINA SAINS 11, no. 1 (April 29, 2025): 22–36. Accessed June 8, 2026. http://103.127.96.46/index.php/jmss/article/view/15846.