Marwah Yahya Mustafa, Zakariya Yahya Algamal. 2022. “Bandwidth Selection in Multivariate Nadaraya-Watson Estimator Based on Meta-Heuristic Optimization Algorithms: A Simulation Study”. Mathematical Statistician and Engineering Applications 71 (4):4877-87. https://doi.org/10.17762/msea.v71i4.1082.