Generalized Multivariate Mixture Ratio Estimators for the Population Mean in Multi-Phase Sampling using Multi-Auxiliary Characteristics. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 23, n. 1, p. 104–116, 2026. DOI: 10.33899/iqjoss.v23i1.63527. Disponível em: https://stats.uomosul.edu.iq/index.php/stats/article/view/63527. Acesso em: 28 jul. 2026.