ชูด้วง ไ, บุญภักดิ์ ก, อินทร์น้อย ส. A NEEDS ASSESSMENT FOR THE STUDENTS’ COMPETENCIES OF VOCATIONAL CERTIFICATE (MACHINE SHOP MECHANICS), DUAL SYSTEM TECHNICAL COLLEGES IN BANGKOK AND VICINITY AREA. J. IND. EDUC. [Internet]. 2017 Dec. 29 [cited 2024 Apr. 26];16(3):178-85. Available from: https://ph01.tci-thaijo.org/index.php/JIE/article/view/129141