Rajiv saksena, Anupam Kumar, S. K. Pandey. (2000). Multi Stage Pocedure to Select the Largest Mean of Two Normal Distributions: The case when Variances are Unequal and Unknown. Journal of International Academy of Physical Sciences, 4(1-4), 39–56. Retrieved from https://www.iaps.org.in/journal/index.php/journaliaps/article/view/727