Tad Gonsalves Shinichiro Baba Kiyoshi Itoh Genetic Algorithm for the Optimization of Collaborative Systems. 793-802 2007 11 JACIII 7 http://www.fujipress.jp/finder/xslt.php?mode=present&inputfile=JACII001100070010.xml db/journals/jaciii/jaciii11.html#GonsalvesBI07