Albatineh, Ahmed N., Florence George, B. M. Golam Kibria, and Meredith L. Wilcox. 2015. “Confidence Interval Estimation of the Signal-to-Noise Ratio Using Ranked Set Sampling: A Simulation Study”. Thailand Statistician 12 (1):55-69. https://ph02.tci-thaijo.org/index.php/thaistat/article/view/34205.