NAEL, M. M. Effects of Happy Emotion Induced by Filipino Children’s Music on the Performance in Addition and Subtraction of Grade I Filipino Pupils. Journal of Research, Policy & Practice of Teachers and Teacher Education, [S. l.], v. 9, n. 1, p. 33–45, 2019. DOI: 10.37134/jrpptte.vol9.no1.4.2019. Disponível em: https://ejournal.upsi.edu.my/index.php/JRPPTTE/article/view/2344. Acesso em: 3 may. 2024.