BUTT, F. Proto Language: Discussions of Origin. Makhz (Research Journal), Gujranwala, Pakistan, v. 5, n. 1, p. 158–172, 2024. DOI: 10.47205/makhz.2024(5-I)urdu-11. Disponível em: https://ojs.makhz.org.pk/journal/article/view/176. Acesso em: 4 dec. 2024.