SCHIEG, Martin. Model for integrated project management. Journal of Business Economics and Management, [S. l.], v. 10, n. 2, p. 149–160, 2009. DOI: 10.3846/1611-1699.2009.10.149-160. Disponível em: https://journals.vilniustech.lt/index.php/JBEM/article/view/6226. Acesso em: 26 may. 2025.