“Estimation of a Multivariate Non-Parametric Regression Function of a Non-Normal Distributions by Using Kernel Smoothing”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 54, no. 1 (January 13, 2024): 1–10. Accessed May 20, 2024. https://jrucs.iq/index.php/JAUCS/article/view/571.