Nazara, Wa’özisökhi, I Nengah Sudipa, Ketut Artawa, and Made Sri Satyawati. “Causative Constructions in the Language of Nias”. International journal of social sciences and humanities 3, no. 2 (August 18, 2019): 208-216. Accessed August 9, 2020. https://sciencescholar.us/journal/index.php/ijssh/article/view/316.