Cover Contents Editorial Board Research Article Sosyal Pazarlama ve Gönüllülük: Kan Bağışı Üzerine Bir Araştırma (Social Marketing and Volunteering: A Research on Blood Donation) Mustafa KAPLAN pp. 3291-3309 DOI: 10.20491/isarder.2020.1041 Abstract Full Text Research Article Fama-French Five-Factor Asset Pricing Model: Testing Validity for Borsa Istanbul and German Stock Exchange Ebubekir MOLLAAHMETOĞLU pp. 3310-3318 DOI: 10.20491/isarder.2020.1042 Abstract Full Text Research Article Regression Clustering for Estimating …

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