Alakija , T. O., Adeleke , I. A., Adekeye , K. S., & Adamu , M. O. (2019). A Generalized Regression Estimation of the Item Sum Technique in Sensitive Surveys. International Journal of Mathematical Sciences and Optimization: Theory and Applications, 2019(1), 512 - 520. Retrieved from http://ijmso.unilag.edu.ng/article/view/470