Kulkani , K. ., and J. . Singh. “SAMPLING INSPECTION BY VARIABLE FOR MEAN OF SYMMETRICAL POPULATION WITH KNOWN COEFFICIENT OF VARIATION”. Journal of Reliability and Statistical Studies, vol. 9, no. 02, Aug. 2020, pp. 11-16, https://journals.riverpublishers.com/index.php/JRSS/article/view/20989.