1. Department of Basic Sciences and Related Studies, Mehran University of Engineering and Technology 76062, Jamshoro, Sindh, Pakistan
2. Department of Mathematics, Near East University TRNC, Mersin 10, Turkey
3. Electronics, CONACyT-Tecnológico Nacional de México/CENIDET. Interior Internado Palmira S/N, Col. Palmira, Cuernavaca, México, Morelos, USA