Pitiporntapin, S., Butkatanyoo, O., Piyapimonsit, C., Thanarachataphoom, T., Chotitham, S. and Lalitpasan, U. (2023) “The development of a professional development model focusing on outdoor learning resources to enhance in-service teachers’ STEM literacy”, Kasetsart Journal of Social Sciences, 44(2), pp. 489–496. available at: https://so04.tci-thaijo.org/index.php/kjss/article/view/266278 (accessed: 29 September 2026).