“Perbandingan Metode Weighted Least Squares Dan Huber White Mengatasi Data Yang Bersifat Heteroskedastisitas”. IJM: Journal of Multidisiplinary 3, no. 3 (April 21, 2025). Accessed August 3, 2025. https://ojs.csspublishing.com/index.php/ijm/article/view/131.