Henny Pramoedyo , T. A. , R. F. , . “Simultaneous Spatial Regression Modeling of Panel Data Using the Two Stage Estimation Method for Sustainable Development Indicators in East Java, 2019-2022”. Mathematical Statistician and Engineering Applications, vol. 72, no. 1, Jan. 2023, pp. 2128-40, https://www.philstat.org/index.php/MSEA/article/view/2711.