กวินภัทรเวช ป. Motivation Factors Influencing Performance Efficiency of Production Operators in Automobile Factory in Amata Nakorn Industrial Estate, Chonburi. TISR [internet]. 2019 Nov. 30 [cited 2026 Sep. 15];3(1):261-82. available from: https://so03.tci-thaijo.org/index.php/JIRGS/article/view/227374