Sukchai P, Pakeechai K. WORK MOTIVATION FACTORS THAT AFFECT THE WORK EFFICIENCY OF EMPLOYEES AT A STEEL STRUCTURE MANUFACTURING COMPANY IN PHRA NAKHON SI AYUTTHAYA PROVINCE. jlarus [internet]. 2024 Aug. 21 [cited 2025 Apr. 8];6(2):431-44. available from: https://so03.tci-thaijo.org/index.php/art/article/view/276442