By rapidly developing of premier technologies in communications and computer, the global economy growth scheme is essentially changed and followed by the knowledge as an important capital, is replaced by physical and fiscal assets (Chen et al, 2004). Implementation of human resources planning systems is amongst of under developing technologies in new era. Most of the managers are in doubt that these systems can be useful for organization and make value added (Charamilus Asiatis et al, 2005).

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... s paper considers the effects of obtained results of ERP implementation on knowledge creation and job performance. The features used in this research are in order to collecting of questionnaire information's that include three questionnaires of ERP benefits, knowledge creation and job performance. The validity of questionnaires is confirmed by correspondents and its reliability is also confirmed by using alpha cronbach. Results show that ERP benefits and it's all dimensions including operational benefits, management benefits and business process and IT/strategic planning benefits have significant effect on knowledge creation. ERP benefits and Knowledge creation has also positive and significant effects on job performance.