OLAYIWOLA, O. M.; APANTAKU, F. S.; OYEKUNLE, Kazeem A.; AKINTUNDE, A. A.; WALE-OROJO, O. A.; OLAWOORE, S. A. A MODIFIED CALIBRATION APPROACH FOR RATIO ESTIMATOR IN STRATIFIED SAMPLING. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 4, n. 4, p. 507–512, 2021. DOI: 10.33003/fjs-2020-0404-510. Disponível em: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/510. Acesso em: 29 oct. 2025.