1. Mathematical Sciences Studies, College of Computing, Informatics and Media, Universiti Teknologi MARA Johor Branch, Segamat Campus, 85000 Segamat, Johor Darul Takzim, Malaysia
2. Department of Mathematical Sciences, Faculty of Science, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia
3. Department of Mathematics, College of Science and Arts, King Abdul-Aziz University, Rabigh, Saudi Arabia