PRAKOBVORAKAN, B.; NAOWANONDHA, A.; TANYA, S. Development of the Instructional Model to Enhance Learning Happiness of Junior High School Students. Ratchaphruek Journal, [S. l.], v. 21, n. 1, p. 137–151, 2023. DOI: 10.14456/rpjnrru.2023.10. Disponível em: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/260873. Acesso em: 26 aug. 2026.