1. Abdus Salam School of Mathematical Sciences, Governement College University, Lahore 54600, Pakistan
2. Mathematics Department, Al-Qunfudah University College, Umm Al-Qura University, Mecca 21421, Saudi Arabia
3. Office of Research, Innovation and Commercialization, University of Management and Technology, Lahore 54770, Pakistan
4. Dipartimento di Architettura, Università Dinapoli Federico II, Via Toledo 403, 80121 Napoli, Italy