Yulian Cao Wenfeng Li 0001 Wei Song W. Art Chaovalitwongse Collaborative material and production tracking in toy manufacturing. 645-650 2013 CSCWD https://doi.org/10.1109/CSCWD.2013.6581036 conf/cscwd/2013 db/conf/cscwd/cscwd2013.html#CaoLSC13