1. Department of Sciences and Humanities , National University of Computer and Emerging Sciences , Peshawar , KP , Pakistan
2. School of Mathematics and Statistics , 12570 Central South University , Changsha , , China
3. Department of Mathematics , 230180 Abdul Wali Khan University Mardan (KP) , Mardan , , Pakistan
4. Department of Mathematics, College of Sciences , King Khalid University , Abha , , Saudi Arabia
5. Faculty of Mathematics and Statistics , Ton Duc Thang University , Ho Chi Minh City , Vietnam
6. Department of Mathematics, College of Arts and Sciences , Prince Sattam bin Abdulaziz University , Wadi Al-Dawaser , , Saudi Arabia