KENDİR, H., E. Arslan, ve H. ASAN. “DETERMINATION OF WINTER TREKKING ROUTES WITHIN THE SCOPE OF WINTER TOURISM POTENTIAL IN SIVAS PROVINCE”. Journal of Recreation and Tourism Research, c. 6, sy 3, Eylül 2019, ss. 294-05, https://jrtr.org/index.php/jrtr/article/view/28.