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. JHS.TRU [Internet]. 2021 Aug. 10 [cited 2024 Apr. 29];15(3):62-73. Available from: https://so03.tci-thaijo.org/index.php/trujournal/article/view/250906