ASRES, M.; TESSEMA, F. Contribution of plastic bags to the retention of child immunization cards in Gambella Region and Assosa Zone, Benishangul-Gumuz Region, Ethiopia. The Ethiopian Journal of Health Development , [S. l.], v. 33, n. SPECIAL IS, 2019. Disponível em: https://ejhd.org/index.php/ejhd/article/view/2425. Acesso em: 23 may. 2022.