PURANAM, P.; HÅKONSSON, D. D. Valve’s Way. Journal of Organization Design, [S. l.], v. 4, n. 2, p. 2–4, 2015. DOI: 10.7146/jod.20152. Disponível em: https://www.jorgdesign.net/article/view/20152. Acesso em: 26 jul. 2021.