1. Deanship of Combined First Year, Umm Al-Qura University, Makkah, Saudi Arabia
2. Department of Rural Sociology, The University of Agriculture, Peshawar, Pakistan
3. Department of Mathematics, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, Pakistan
4. Department of Mathematics, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
5. Department of Mathematics, University of Sargodha, Sargodha, Pakistan