1. Applied Mathematics and Informatics Laboratory, Faculty of Science and Industrial Technology, Prince of Songkla University, Surat Thani Campus, Surat Thani 84000, Thailand
2. International College KMITL, King Mongkut’s Institute of Technology, Ladkrabang, Bangkok 10520, Thailand
3. Prince of Songkla University, Pattani Campus, 181 Charoenpradit Rd., Rusamelae Muang, Pattani 94000, Thailand