1. Md. Mahabubur Rahman:
Department of Statistics, King Abdulaziz University, Saudi Arabia & Department of Statistics, Islamic University, Kushtia, Bangladesh
2. Bander Al-Zahrani:
Department of Statistics, King Abdulaziz University,Saudi Arabia
3. Saman Hanif Shahbaz:
Department of Statistics, King Abdulaziz University, Saudi Arabia
4. Muhammad Qaiser Shahbaz:
Department of Statistics, King Abdulaziz University, Saudi Arabia