Dr. ISMAIL NACI CANGUL,

Bursa Uludag University, Turkey.

Dr. CHOONKIL PARK,

Hanyang University, SouthKorea.

Dr. M. SYED ALI,

Thiruvalluvar University, India

Dr. N. GUNASEKARAN,

Toyota Technological Institute, Japan

Dr. POOM KUMAM,

King Mongkut’s University of Technology, Thailand.

Dr. THONGCHAI BOTMART,

Khon Kaen University, Thailand.

Dr. KAMSING NONLAOPON,

Khon Kaen University, Thailand.

Dr. KANIT MOOKDASAI,

Khon Kaen University, Thailand.

Dr. WAJAREE WEERA,

University of Phayao, Thailand.

Dr. Grienggrai Rajchakit,

Maejo University, Thailand.