CRNN Algorithm and MFCC Feature Extraction in Classifying Hijaiyah Letter Pronunciation: A Systematic Literature Review. Khazanah Journal of Religion and Technology, [S. l.], v. 3, n. 1, p. 31–35, 2025. DOI: 10.15575/kjrt.v3i1.1555. Disponível em: https://journal.azkia.id/index.php/kjrt/article/view/26. Acesso em: 15 jul. 2026.