1.
Siaka Ernia S, Nur Fajrie NF, Diana Ermawati DE. Learning Motivation Factors in Terms of the Role of Parents of Mentally Retarded Students at SLBS Sunan Muria. JEC [Internet]. 2021 Jun. 8 [cited 2025 Jul. 2];1(1). Available from: https://ejournal.indrainstitute.id/index.php/jec/article/view/5