N. MADU, P.; O. OLATAYO, T.; I. OGUNYINKA, P. Improved Mixed Estimator Using Two Auxiliary Variables For Full Extreme Maximum And Minimum Values In Single Phase Sampling. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 21, n. 1, p. 190–210, 2025. Disponível em: https://rjps.uomosul.edu.iq/index.php/stats/article/view/20594. Acesso em: 6 aug. 2025.