Primadigna, Ullimaz, 		Suyitno, Suyitno, AND 		Siringoringo, Meiliyani.
" Model Geographically Weighted Weibull Regression Pada Indikator Pencemaran Air COD  di Daerah Aliran Sungai Mahakam Kalimantan Timur" <em>EKSPONENSIAL</em> [Online], Volume 13 Number 2 (1 November 2022)