Utami, S. et al. 2023. Intonation of Interrogative Sentences in Learning Arabic for Mahārat al-Kalām. Al-Ma‘rifah: Jurnal Budaya, Bahasa, dan Sastra Arab. 20, 1 (Apr. 2023), 49–60. DOI:https://doi.org/10.21009/almakrifah.20.01.04.