TÜRKİYE’DE MEVDUAT BANKALARININ BİLİŞİM TEKNOLOJİSİ YATIRIMLARININ BANKALARIN ETKİNLİĞİ VE FİNANSAL BAŞARISI ÜZERİNDEKİ ETKİLERİ (THE EFFECTS OF INFORMATION TECHNOLOGY INVESTMENTS ON EFFECTIVENESS AND FINANCIAL PERFORMANCE OF TURKISH COMMERCIAL BANKING) - Ebru Gül YILMAZ - | The Journal of Academic Social Science