Subramani, J, G Kumarapandiyan, and S Balamurali. “Some Modified Linear Regression Type Ratio Estimators for Estimation of Population Mean Using Known Parameters of an Auxiliary Variable”. Journal of Building Construction, Planning and Materials Research 1, no. 1 (March 20, 2014): 28–42. Accessed April 18, 2024. https://archive.conscientiabeam.com/index.php/84/article/view/2397.