WASI’AH, M. PENGARUH PENGGUNAAN METODE PECS TERHADAP KEMAMPUAN KOMUNIKASI ANAK AUTIS DI YAYASAN NANDA DELISHA RUMAH ABK KABUPATEN BONDOWOSO. SPEED Journal : Journal of Special Education, [S. l.], v. 2, n. 1, p. 75–82, 2018. Disponível em: https://jurnal.unipar.ac.id/index.php/speed/article/view/105. Acesso em: 29 oct. 2025.