Kholiq, Abdul, et al. “The L1 Influence on Phonological Aspects of Bahasa Indonesia Acquisition As L3 in BIPA Students: A Cross-Linguistic Influence Study”. Proceeding of International Joint Conference on UNESA, vol. 3, no. 1, Sept. 2025, pp. 264-71, https://proceeding.unesa.ac.id/index.php/pijcu/article/view/6166.