AMOAKWAH, Raymond; MENSAH, Catherine Ekua. The role of multi-modal posters in curbing COVID-19 in Ghana. Journal of Linguistics and Foreign Languages, Nairobi, v. 3, n. 1, 2022. Disponível em: https://royalliteglobal.com/jlfl/article/view/772.. Acesso em: 1 feb. 2026.