Bayram, A. T. ., H. T. . Kavlak, J. Dogra, i G. E. . Bayram. „Hopelessness Against Desire to Pursue a Career in Tourism: An Empirical Analysis of Sinop University, Turkey”. Turyzm/Tourism, t. 30, nr 2, grudzień 2020, s. 115-23, doi:10.18778/0867-5856.30.2.27.