1. Ahmed, I., Hamzah, A. B., & Abdullah, M. N. L. Y. B. (2020). Effect of social and emotional learning approach on students’ social-emotional competence. International Journal of Instruction, 13(4), 663–676. https://doi.org/10.29333/iji.2020.13441a
2. Bridgeland, J., Bruce, M., & Hariharan, A. (2013). The missing piece: A national teacher survey on how social and emotional learning can empower children and transform schools. Collaborative for Academic, Social, and Emotional Learning (CASEL).
3. Bureau of Academic Affairs and Educational Standards, Ministry of Education, Thailand. (2017). Early Childhood Curriculum B.E. 2560 (A.D. 2017). AksornThai Printing.
4. Collaborative for Academic, Social, and Emotional Learning. (2020, October 1). CASEL’S SEL framework: What are the core competence areas and where are they promoted? https://casel.org/casel-sel-framework-11-2020/
5. Denham, S. A. (2018). Keeping SEL developmental: The importance of a developmental lens for fostering and assessing SEL competencies. Collaborative for Academic, Social, and Emotional Learning (CASEL).