DINI, Sintia Gumara. Validity and reliability of the happiness scale for adolescents in Yogyakarta. Psychological Research and Intervention, [S. l.], v. 1, n. 2, p. 57–63, 2021. DOI: 10.21831/pri.v1i2.21860. Disponível em: https://journal.uny.ac.id/index.php/pri/article/view/21860. Acesso em: 17 jun. 2025.