“Non Parametric Estimator For The Multivariate Probability Density Function”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 23, no. 2 (October 26, 2021): 29–46. Accessed November 19, 2024. https://alhadhar.com/raf-journal/index.php/JAUCS/article/view/476.