SUNGSRI, S.; AIMSAMANG, C.; NILABUTRA, S.; SUNGSRI, P.; BUNPARIT, N. Development of Learning Promotion Strategy and System for Working Age Population in the 21st Century. Journal of Humanities and Social Sciences Thonburi University, [S. l.], v. 15, n. 3, p. 62–73, 2021. Disponível em: https://so03.tci-thaijo.org/index.php/trujournal/article/view/250906. Acesso em: 26 aug. 2026.