ATNAFU, A.; BISRAT, A. Assessment of health extension workers (HEWs) knowledge, attitude and performance in mHealth intervention in Guraghe Zone of Ethiopia: Cross-sectional study. The Ethiopian Journal of Health Development , [S. l.], v. 29, n. 3, 2016. Disponível em: https://ejhd.org/index.php/ejhd/article/view/343. Acesso em: 13 may. 2021.