A. Audu , O. O. Ishaq, U. Isah, S. Muhammed, K. A. Akintola, A. Rashida, A. Abubakar. 2020. “On the Class of Exponential-Type Imputation Estimators of Population Mean With Known Population Mean of Auxiliary Variable”. NIPES - Journal of Science and Technology Research 2 (4). https://doi.org/10.37933/nipes/2.4.2020.1.