TY - JOUR TI - GEPP-net: a system to support collaboration in the early stages of the design process PY - 2007 AU - Ferreira, Marcelo Gitirana Gomes AU - Forcellini, Fernando Antônio AU - Amaral, Daniel Capaldo T2 - Product : management & development SN - 1676-4056 UR - http://pmd.hostcentral.com.br/search.php?busca=vol_05/nr_1 revista PP - São Paulo VL - 5 IS - 1 SP - 17-24 ER -