[1] COMSATS University Islamabad,Department of Mathematics
[2] Attock Campus,Department of Mathematics, College of Science
[3] King Khalid University,Mathematics and Its Applications in Life Sciences Research Group
[4] Ton Duc Thang University,Faculty of Mathematics and Statistics
[5] Ton Duc Thang University,Department of Mathematics, Faculty of Engineering and Technology
[6] Islamia College Peshawar,undefined