yaaoop, theerawut, Phubet Poungkaew, Choocheep Puthaprasert, and Prapun Tummachai. “The Process for Enhancing the Voluntary Identities of the Vocational Students under the Vocational Education Commission”. Interdisciplinary Research Review 18, no. 2 (April 29, 2023). Accessed May 17, 2024. https://ph02.tci-thaijo.org/index.php/jtir/article/view/247618.