Kongkaew, V., Insuwan , P. and Chaiyapan, M. (2026) “Developing self-efficacy in making career decisions Through a set of guided activities combined with self-directed learning techniques. of Mathayom 4 students at Maha Vajiravudh School, Songkhla Province”, Journal of Social Science Kamphaeng Saen , 1(1), pp. 11–18. available at: https://so17.tci-thaijo.org/index.php/JSSK/article/view/1858 (accessed: 8 October 2026).