SIAKA ERNIA, S.; NUR FAJRIE, N. F.; DIANA ERMAWATI, D. E. Learning Motivation Factors in Terms of the Role of Parents of Mentally Retarded Students at SLBS Sunan Muria. Journal of Education and Culture, [S. l.], v. 1, n. 1, 2021. DOI: 10.58707/jec.v1i1.5. Disponível em: https://ejournal.indrainstitute.id/index.php/jec/article/view/5. Acesso em: 2 jul. 2025.