KEERATICHAMROEN, W. Effectiveness of Sandbox Curriculum Development from Work-Based Learning Management to Enhance Student’s Learning Competency, Learning Achievement, and Satisfaction for Grade 4 Students. Ratchaphruek Journal, [S. l.], v. 23, n. 1, p. 165–180, 2025. DOI: 10.14456/rpjnrru.2025.11. Disponível em: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/275881. Acesso em: 26 aug. 2026.