KHAZAL RASHAD, N.; MAHMOUD HAMMOUD, N. Biased Estimators in Zero-Inflated Poisson Regression Model in the Presence of Multicollinearity: Subject Review. College of Basic Education Research Journal, [S. l.], v. 20, n. 1, p. 819–842, 2024. DOI: 10.33899/berj.2024.182779. Disponível em: https://moss.uomosul.edu.iq/index.php/berj/article/view/39002. Acesso em: 26 oct. 2025.