Effects of the manager characteristics on environmental protection in Cameroonian firms: a foray through the upper echelon theory. Journal of Academic Finance, [S. l.], v. 14, n. 1, p. 112–131, 2023. DOI: 10.59051/joaf.v14i1.619. Disponível em: https://www.scientific-society.com/AF/article/view/619. Acesso em: 25 dec. 2025.