Prasad Singh, H. ., A. . Gupta, and R. . Tailor. “An Efficient Approach for Estimating Population Mean in Simple Random Sampling Using an Auxiliary Attribute”. Thailand Statistician, vol. 21, no. 3, June 2023, pp. 631-59, https://ph02.tci-thaijo.org/index.php/thaistat/article/view/250071.