MAULANA, H. .; EKANESIA, P. .; SASTRI, P. D. Learning Motivation and Perceived Social Support as Predictors of Student Engagement Among Ninth-Grade Students . International Journal of Marketing & Human Resource Research, [S. l.], v. 7, n. 3, p. 1126 - 1140, 2026. DOI: 10.47747/ijmhrr.v7i3.3640. Disponível em: https://journal.jis-institute.org/index.php/ijmhrr/article/view/3640. Acesso em: 8 oct. 2026.