SARI, Virgian Ferda; SUKERTI, Ni Wayan. PECS (Picture Exchange Communication System) Terhadap Keterampilan Sosial Anak ADHD (Attention Deficit-Hyperactive Disorder). JPK (Jurnal Pendidikan Khusus), [S. l.], v. 16, n. 1, p. 28–34, 2020. DOI: 10.21831/jpk.v16i1.30797. Disponível em: https://jurnal.uny.ac.id/index.php/jpk/article/view/30797. Acesso em: 8 jun. 2025.