YANI, S. N.; SATRIANI, E.; PILIANG, W. S. H. DEVELOPING A DIGITAL PICTURE BOOK FOR SPEAKING COMPETENCE. Indonesian Journal of Social Sciences, Policy and Politics, [S. l.], v. 1, n. 1, p. 69–75, 2023. DOI: 10.69745/ijsspp.v1i1.12. Disponível em: https://ijsspp.yayasanwayanmarwanpulungan.com/index.php/IJSSPP/article/view/12. Acesso em: 1 may. 2026.