PHUTTAWONG, M. Integrated Project-Problem Learning (IPPL) to Promote the Programming Skills of Vocational Students. International Journal of Educational Communications and Technology, Bangkok, Thailand, v. 6, n. 2, p. 1–12, 2026. Disponível em: https://ph01.tci-thaijo.org/index.php/IJECT/article/view/261730. Acesso em: 2 sep. 2026.