[1] Rambhai Barni Rajabhat Univ, Fac Sci & Technol, Dept Math, Chanthahuri, Thailand
[2] Rajamangala Univ Technol Thanyaburi RMUTT, Dept Math & Comp Sci, Fac Sci & Technol, Program Appl Stat, Pathum Thani, Thailand
[3] King Mongkuts Univ Technol Thonburi KMUTT, Fac Sci, Ctr Excellence Theoret & Computat Sci TaCS CoE, KMUTT Fixed Point Res Lab,KMUTT Fixed Point Theor, Bangkok, Thailand
[4] King Mongkuts Univ Technol Thonburi KMUTT, Fac Sci, Dept Math, Bangkok, Thailand