INVESTIGATION OF FINANCIAL PERFORMANCE IN TURKISH MANUFACTURING SECTOR WITH GRAY RELATIONAL ANALYSIS METHOD: A STUDY IN CENTRAL BANK OF THE REPUBLIC OF TURKEY SUB-SECTOR COMPANY ACCOUNTS Journal title: Muhasebe ve Vergi Uygulamaları Dergisi Authors: Erdinç KARADENİZ, Levent KOŞAN, Fatih GÜNAY, Mehmet BEYAZGÜL Subject(s):