GROBLER, P. L. . Certified Energy Manager Program to Southern Africa. Strategic Planning for Energy and the Environment, [S. l.], v. 23, n. 2, p. 7–9, 2023. Disponível em: https://journals.riverpublishers.com/index.php/SPEE/article/view/20205. Acesso em: 29 apr. 2026.