“Estimating A Semi - Parametric Partial Linear Regression Model With Different Estimation Methods With Incomplete Data”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 46, no. 1 (October 1, 2021): 259–272. Accessed November 19, 2024. https://alhadhar.com/raf-journal/index.php/JAUCS/article/view/80.