Kumar Gangele, R., Kumar Vishwakarma, G. and Kumar Choubey, S. (2022) “An Efficient Class on Linear Combination of Ratio Type Estimators for Estimating the Population Mean”, Thailand Statistician, 20(2), pp. 284–292. available at: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/246341 (accessed: 15 September 2026).