H. Muzaki, G. Susanto, D. Widyartono, L. Bonde, T. K. Moorthy, and I. Akhsani, “Innovative M-Learning with Automatic Feedback: Enhancing Language Acquisition for Level 2 Indonesian Foreign Speakers (BIPA)”, JOLLT, vol. 12, no. 4, pp. 1689–1704, Oct. 2024.