TETTEH, J. E. .; AHIABOR, G. .; KWABLAH, E. .; AMOAH, A. . DO PRESIDENTIAL SPEECHES MATTER DURING UNCERTAINTIES? EVIDENCE FROM THE COVID-19 PANDEMIC. Journal of Environment and Sustainable Development (JESD), [S. l.], v. 1, n. 2, 2023. Disponível em: https://www.jesd.uesd.edu.gh/index.php/main/article/view/17. Acesso em: 21 apr. 2025.