Gadde Srinivas Rao
Department of Statistics, School of Mathematical Sciences, CNMS, The University of Dodoma, Dodoma, PO. Box: 259, Tanzania.
Muhammad Aslam
Department of Statistics, Faculty of Science, King Abdulaziz University, Jeddah
Muhammad Azam
Department of Statistics and Computer Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
Chi-Hyuck Jun
Department of Industrial and Management Engineering, POSTECH, Pohang 790-784, Republic of Korea