Ndubisi Madu, Peter, Timothy O. Olatayo, Peter I. Ogunyinka, Emmanuel A. Ayanlowo, and Akinwumi, S. Odeyemi. 2024. “Improved Ratio-Cum Regression Estimator Using Two Auxiliary Variables In Single Phase Sampling”. IRAQI JOURNAL OF STATISTICAL SCIENCES 21 (2):80-91. https://doi.org/10.33899/iqjoss.2024.185243.