@inproceedings{inproceedings061bd8c2, title = {The efficiency model of the marketing channel as a tool for identifying costs of flows between members of a channel}, author = {CĂ´nsoli, Matheus Alberto and Lopes, Frederico Fonseca and Neves, Marcos Fava}, year = {2003}, publisher = {FEARP-USP}, booktitle = {International Conference on Agri-Food Chain} }