Eckert, A., Biasio, R., Mannrich, A. P. B. and Mecca, M. S. (2019) “Cost management in an urbanization company: profitability analysis of products through contribution margin”, REVISTA GEONORTE, 10(36), pp. 154–178. doi: 10.21170/geonorte.2019.V.10.N.36.A154.178.