A. Kusmiatun, I. Suyitno, W. HS, and I. A. Basuki, “Identifying Features of Indonesian for Speakers of Other Languages (Bipa) Learning for Academic Purposes”, IJSSES, vol. 3, no. 4, pp. 197–207, Jun. 2017, doi: 10.23918/ijsses.v3i4p197.