TECHNICAL EFFICIENCY OF DAIRY CATTLE FARMS IN THE EASTERN MEDITERRANEAN REGION OF TURKEY BY STOCHASTIC FRONTIER ANALYSIS - O. Parlakay; H. Yilmaz; M. Gül; S. Akkoyun; M. E. Bilgili; Y. Vurarak; H. Hizli; N. Kiliçalp (Journal of Animal and Plant Sciences, 2017)