Sungsri, S., Aimsamang, C. ., Nilabutra, S. ., Sungsri, P. . and Bunparit, N. . (2021) “Development of Learning Promotion Strategy and System for Working Age Population in the 21st Century”, Journal of Humanities and Social Sciences Thonburi University, 15(3), pp. 62–73. Available at: https://so03.tci-thaijo.org/index.php/trujournal/article/view/250906 (Accessed: 28 April 2024).