RUSTIKA, R.; HERLINA, H.; PURWANGGI, A. The Effectiveness of PECS in Improving Expressive Communication Skills among Second-Grade Students with Autism in Special Schools. Ainara Journal (Jurnal Penelitian dan PKM Bidang Ilmu Pendidikan), [S. l.], v. 7, n. 1, p. 143–153, 2026. DOI: 10.54371/ainj.v7i1.1341. Disponível em: https://journal.ainarapress.org/index.php/ainj/article/view/1341. Acesso em: 1 apr. 2026.