Nelson, T. O., & Ekpenyong, E. J. . (2025). Assessing the Efficiencies of Calibration Ratio Estimators for Estimating Mean Weight of Babies in the Presence of Gestational Age Under Stratified Random Sampling. Communication in Physical Sciences, 12(1), 38–51. https://doi.org/10.4314/cps.v12i1.5