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 ), [S. l.], v. 23, n. 2, p. 29–46, 2021. DOI: 10.55562/jrucs.v23i2.476. Disponível em: https://jrucs.iq/index.php/JAUCS/article/view/476. Acesso em: 20 may. 2026.