TY - JOUR T1 - ERP systems implementation in complex organizations JO - JISTEM - Journal of Information Systems and Technology Management A1 - Fontana, Rafaela Mantovani A1 - Iarozinski Neto, Alfredo SN - 1807-1775 UL - 10.4301/S1807-17752009000100004 VL - 6 Y1 - 2009 PB - Brasil ER -