Marian, N.; Handoyo, R. R. Illustrated Discovery Learning Modules Facilitate Indonesian Vocabulary Mastery For Hearing Impaired Students: Modul Bergambar Discovery Learning Memfasilitasi Penguasaan Kosakata Indonesia Bagi Siswa Tunarungu. acopen 2026, 11, 10.21070/acopen.11.2026.15101.