ARNADI, A.; HIFZA, H.; S, D. Improving the quality of education through technical proficiency. International journal of social sciences and humanities, [S. l.], v. 4, n. 3, p. 68-74, 2020. DOI: 10.29332/ijssh.v4n3.456. Disponível em: https://sciencescholar.us/journal/index.php/ijssh/article/view/456. Acesso em: 4 dec. 2021.