SAFIRA, Nurlianti; DEWI, Eva Meizara Puspita; HAMID, Harlina. EFEKTIVITAS PENERAPAN PICTURE EXCHANGE COMMUNICATION SYSTEM (PECS) TERHADAP KEMAMPUAN BERBICARA EKSPRESIF PADA ANAK DOWN SYNDROME. Al asma : Journal of Islamic Education, [S. l.], v. 3, n. 1, p. 50–63, 2021. DOI: 10.24252/asma.v3i1.21072. Disponível em: https://journal.uin-alauddin.ac.id/index.php/alasma/article/view/21072. Acesso em: 7 may. 2025.