Kongpaen, W., Punthai, B. and Suriyasasin, S. (2023) “The Achievement Motivation and Vocational Students”, Ph.D. in Social Sciences Journal, 13(3), pp. 673–684. available at: https://so05.tci-thaijo.org/index.php/phdssj/article/view/261788 (accessed: 11 October 2026).