[1]
P. Ndubisi Madu, T. O. Olatayo, P. I. Ogunyinka, E. A. Ayanlowo, and A. S. Odeyemi, “Improved Ratio-Cum Regression Estimator Using Two Auxiliary Variables In Single Phase Sampling”, IQJOSS, vol. 21, no. 2, pp. 80–91, Nov. 2024.