Siriwat, P. . “The Development of Learning Activities using Constructivism to Promote Creative A Good Citizenship to The Way of Democracy in Social Studies Subject of Mathayomsuksa 3 Students: The Development of Learning Activities using Constructivism to Promote Creative A Good Citizenship to The Way of Democracy in Social Studies Subject of Mathayomsuksa 3 Students”. RATANABUTH JOURNAL, vol. 5, no. 2, Aug. 2023, pp. 213-29, https://so07.tci-thaijo.org/index.php/rtnb/article/view/2900.