Estimating A Semi - Parametric Partial Linear Regression Model with Different Estimation Methods with Incomplete Data. (2021). Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), 46(1), 259-272. https://doi.org/10.55562/jrucs.v46i1.80