Muhammad Shazib Hameed
Department of Mathematics, Khwaja Fareed University of Engineering and Information Technology, 64200, Rahim Yar Khan, Pakistan.
Zaheer Ahmad
Department of Mathematics, Khwaja Fareed University of Engineering and Information Technology, 64200, Rahim Yar Khan, Pakistan.
Faisal Ali
Centre for Advanced Studies in Pure and Applied Mathematics, Bahauddin Zakariya University, 60800, Multan, Pakistan.