Shahbaz, Saman, Muhammad Qaiser Shahbaz, and Nadeem Shafique Butt. “A CLASS OF WEIGHTED WEIBULL DISTRIBUTION”. Pakistan Journal of Statistics and Operation Research 6, no. 1 (July 30, 2010): 53-59. Accessed July 15, 2024. https://pjsor.com/pjsor/article/view/126.