Onyango, Ronald O, Brian Oduor, and Francis Odundo. “Mean Estimation of a Sensitive Variable under Measurement Errors Using Three-Stage RRT Model in Stratified Two-Phase Sampling”. Pakistan Journal of Statistics and Operation Research 19, no. 1 (March 6, 2023): 131-144. Accessed August 30, 2025. https://pjsor.com/pjsor/article/view/3929.