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Author: Erkan, Turan ErmanSubject: ERP implementation

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    Conference Object
    Enterprise Resource Planning Implementation Differences Within the Same Methodology - Case Study From West Europe and Turkey
    (Acad Conferences Ltd, 2011) Erkan, Turan Erman
    Enterprise Resource Planning (ERP) systems are vital for competitive edge in today's business world. ERP is an integrated information system that serves all departments within an enterprise. Therefore, business processes should be optimised before ERP implementation in order to catch a perfect implementation. Before year 2000 all the giant firms realised their ERP projects and after that best practises took place. After those trial and error based experiences, ERP vendors need to form an ERP implementation methodology. Big ERP vendors developed implementation methodologies, they were almost the same; starting from project preparation to selection, implementation to maintenance and control. Those project methodologies improved the success rate of ERP implementations. This research is both empirical and qualitative. In fact it consists of two monographic researches. They are both about ERP implementations in the same sector. One of the firms is a national one and other one is a multinational one. Both implementations done by the same consultant team with the same methodology, so the evaluation of the project is more objective than any other questionnaire based ones, which are filled by different implementation teams. The findings of the comparison are surprisingly different from each other within the implementations, although they both used the same methodology. Basic steps of the ERP implementation such as: project preparation, business blueprint, realization, final preparation and go live & support differs from each other both in national and multinational firms. The major difference is seen in the first steps which are project preparation and business blueprint. Multinational firm seems to have more chance than the national one in achieving organisational efficiency through successful ERP implementation. The research outcome is useful for professionals running implementation projects and those making decisions on ERP implementation. The results can also be used by practitioners managing ERP projects in order to avoid from implementation methodology illusion.
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    Article
    Citation - WoS: 13
    Citation - Scopus: 16
    Sector Selection for Erp Implementation To Achieve Most Impact on Supply Chain Performance by Using Ahp-Topsis Hybrid Method
    (Univ Osijek, Tech Fac, 2014) Rouyendegh, Babak Daneshvar; Bac, Ugur; Erkan, Turan Erman; Industrial Engineering; Computer Engineering
    Recently, studies about the Enterprise Resource Planning (ERP) have been increased and this research area has attracted more attention. Especially, in the global competition environment, enterprises have to focus on their Information Systems ( IS) performance to have a competitive advantage; implementing an ERP system and improving the effectiveness of the system is the only way. However every sector reacts to ERP implementation differently. Purpose of this study is to rank the sectors according to their performance increments after successful ERP implementations by using AHP-TOPSIS hybrid method. As a result, general structure of Turkish companies will be pictured and the sectors which have the most chance to improve their performance by utilizing an ERP system will be defined. These findings will help the companies to plan the implementation process more precisely and help the managers of these companies to define their expectations more clearly. A numerical example is given to clarify the main developed result in this paper.