Ino, L., S. S. Dinar, .-. Yunus, and .-. Harmin. “Survival Wolio Language in Adulthood in Baubau City: Sociolinguistic Study”. International Journal of Linguistics, Literature and Culture, vol. 3, no. 6, Nov. 2017, pp. 1-13, https://sloap.org/journals/index.php/ijllc/article/view/1.