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International Journal of Management and Fuzzy Systems

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Volume 7, Issue 3, September 2021

  • Psychological Contract and Employee Retention in Private Organizations

    Sowemimo Olatunji Zacchaeus

    Issue: Volume 7, Issue 3, September 2021
    Pages: 41-46
    Received: 10 May 2021
    Accepted: 27 May 2021
    Published: 18 August 2021
    DOI: 10.11648/j.ijmfs.20210703.11
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    Abstract: The inability to keep the essential human resource of an organization has become detrimental to many of such organizations and the growing complexity in the business environment has forced management to stress on employee retention by adapting various means. This research is aimed at examining the association between contracts which are psychologic... Show More
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  • Mean-Variance-Entropy Portfolio Selection Models with Uncertain Returns

    Shengguo Li, Jin Peng, Bo Zhang, Dan Ralescu

    Issue: Volume 7, Issue 3, September 2021
    Pages: 47-54
    Received: 30 June 2021
    Accepted: 16 July 2021
    Published: 23 August 2021
    DOI: 10.11648/j.ijmfs.20210703.12
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    Abstract: Diversification portfolio selection problem is an important issue in uncertain economic environment. In this paper, this problem is discussed within the framework of uncertainty theory. First, an uncertain extension mean-variance diversification model is proposed, in which the mean is chosen as the objective function, and variance and proportion en... Show More
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  • The Role of Business Management with Historical and Global Perspective

    Iqbal Shaukat

    Issue: Volume 7, Issue 3, September 2021
    Pages: 55-63
    Received: 23 July 2021
    Accepted: 4 August 2021
    Published: 27 August 2021
    DOI: 10.11648/j.ijmfs.20210703.13
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    Abstract: Management is very important for every person, society. With the help of management Qualifications we can achieve the goal of economic development. The role of business management education is very important in various ways. We can make planning with the Tool of master, increment, Capital budget. With the practice business management. With the help... Show More
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  • Management and Utilization of Sor and Gebba Rivers: Comparative Analysis

    Asafa Tasgara, Negera Gudeta

    Issue: Volume 7, Issue 3, September 2021
    Pages: 64-70
    Received: 5 March 2021
    Accepted: 21 May 2021
    Published: 4 September 2021
    DOI: 10.11648/j.ijmfs.20210703.14
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    Abstract: This study is concerned the utilization, conservation and management of Sor and Gebba Rivers. The improper management, utilization and conservation of water resources may amount to not merely the occurrences of conflict among and between riparian but also hinder the national development of a given country. Ethiopia is depicted as the water tower of... Show More
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