1. Department of Industrial Engineering, Ubon Ratchathani University, Ubon Ratchathani, Thailand
2. Department of Engineering Technology, Ubon Ratchathani Rajabhat University, Ubon Ratchathani, Thailand
3. Department of Computer Engineering and Automation, Kalasin University, Kalasin, Thailand
4. Department of Computer Science, Ubon Ratchathani Rajabhat University, Ubon Ratchathani, Thailand
5. Department of Hotel Management, Ubon Ratchathani University, Ubon Ratchathani, Thailand