AWWAL ADEJUMOBI; MOJEED A. YUNUSA. Some Improved Class of Ratio Estimators for Finite Population Variance with the Use of Known Parameters. LC International Journal of STEM (ISSN: 2708-7123), [S. l.], v. 3, n. 3, p. 35-45, 2022. DOI: 10.5281/zenodo.7271392. Disponível em: https://lcjstem.com/index.php/jstem/article/view/142. Acesso em: 26 apr. 2024.