HAN, W.; WANG, F.; SUPAP, S. The Influence of Learning Engagement and Self-Efficacy on Core Vocational Competencies in Project-Based Learning: Evidence from Four Vocational Colleges in Baotou, China. วารสารรัฐศาสตร์ มหาวิทยาลัยราชภัฏสวนสุนันทา, Bangkok, Thailand, v. 9, n. 1, p. 299–316, 2026. Disponível em: https://so04.tci-thaijo.org/index.php/polssru/article/view/289157. Acesso em: 1 ต.ค. 2026.