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  1. Article

    Open Access

    The effect of Ramadan fasting on mental health and some hormonal levels in healthy males

    Millions of Muslims around the world fast during the holy month of Ramadan as a requirement of their religion Islam. Studies have reported varying effects of Ramadan fasting on mental health and various hormon...

    Mustafa Akan, Suheyla Unal… in The Egyptian Journal of Neurology, Psychia… (2023)

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  2. Article

    An application of optimal control in medical systems: optimal investment strategy in doctors

    Health care is ever more important with the aging population and with the increased awareness of the importance of the medical systems due to the corona crisis that showed the capacity of the health care infra...

    Mustafa Akan, Ebru Geçici in Network Modeling Analysis in Health Inform… (2023)

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  3. No Access

    Chapter and Conference Paper

    Problems of Banking Stability and Efficiency: Comparative Analysis of Latvia and Turkey

    The problems of banking stability and efficiency are a pressing issue in the economy of any state. During periods of turmoil and crises, when GDP growth is slowing, ensuring the stability of the financial and ...

    Natalia Konovalova, Mustafa Akan… in Reliability and Statistics in Transportati… (2023)

  4. No Access

    Article

    Dynamic pricing of remanufacturable products under demand substitution: a product life cycle model

    We consider a manufacturer who sells both the new and remanufactured versions of a product over its life cycle. The manufacturer’s profit depends crucially on her ability to synchronize product returns with th...

    Mustafa Akan, Barış Ata, R. Canan Savaşkan-Ebert in Annals of Operations Research (2013)