HAYATI, Memi Nor; SAIFUDIN, Toha; SUYITNO, Suyitno. Modeling Chemical Oxygen Demand of River Water in East Kalimantan Using Fixed Effects and Geographically Weighted Panel Regression. Journal of Applied Informatics and Computing, [S. l.], v. 10, n. 3, p. 2986–2996, 2026. DOI: 10.30871/jaic.v10i3.13089. Disponível em: https://jurnal.polibatam.ac.id/index.php/JAIC/article/view/13089. Acesso em: 14 sep. 2026.