AHMAD, NUR AMINAH, and Raupong Raupong. “Estimation Of Parameter Regression Panel Data Model Using Least Square Dummy Variable Method”. Jurnal Matematika, Statistika dan Komputasi 20, no. 1 (September 6, 2023): 221- 228. Accessed April 8, 2025. http://334012.libg.asia/index.php/jmsk/article/view/27530.