Methodological proposal to implement enterprise resource planning systems

Enterprise resource planning system is one of the most important projects on business optimization than an enterprise could attempt. Their use can be seen at small, medium and big enterprises. Project management and implementation methodology is a critical success factor mentioned in literature. At this paper is presented a proposal of implementation methodology based on researched literature and the activities that should be done in each phase. It also presented the selection process as other critical success factor and suggestions for future research regarding Petri Nets as a computation intelligence that could be used to simulate selection process.