Utami, S., I. Hania, Y. Imawan, N. N. Syafiqoh, Suteja, and Faiqotussana. “Intonation of Interrogative Sentences in Learning Arabic for Mahārat Al-Kalām”. Al-Ma‘rifah, Vol. 20, no. 1, Apr. 2023, pp. 49–60, doi:10.21009/almakrifah.20.01.04.