ASYHAR, Wildan I. Case Study of Second Language Acquisition: What Contributes to Speaking Proficiency. INOVATIF: Jurnal Penelitian Pendidikan, Agama, dan Kebudayaan, [S. l.], v. 5, n. 1, p. 95–108, 2019. DOI: 10.55148/inovatif.v5i1.93. Disponível em: https://jurnal.iaih.ac.id/index.php/inovatif/article/view/93. Acesso em: 12 nov. 2025.