@inproceedings{inproceedings167d72df,
title   = {Certification as instrument of reduction of the socio-environmental impacts: an analysis of the costs of certification},
author = {Rezende, Amaury José and Ribeiro, Maisa de Souza},
year = {2007},
publisher = {FEARP/USP},
booktitle   = {International PENSA Conference}
}