THE EFFECT OF INSTAGRAM ON PURCHASE BEHAVIOR OF UNIVERSITY STUDENTS IN THE FRAMEWORK OF INFORMATION ADOPTION MODEL, ATTITUDE TOWARDS INFORMATION AND PERCEIVED RISK: THE CASE OF YOZGAT BOZOK UNIVERSITY VOCATIONAL SCHOOL. tujom 2019, 4 (2), 62-80. https://doi.org/10.30685/tujom.v4i2.44.