Pongsophon, P., Jantrarotai, P. and Roadrangka, V. (2003) “Perspectives of Thai Students in Grade 9 -12 on Evolutionary Concepts”, Kasetsart Journal of Social Sciences, 24(1), pp. 1–14. available at: https://so04.tci-thaijo.org/index.php/kjss/article/view/243392 (accessed: 12 September 2026).