H. Gultekin și E. Acar, „The Intrinsic and Extrinsic Factors for Teacher Motivation”, rcis, vol. 47, pp. 291–306, dec. 2014, Data accesării: nov. 07, 2026. Disponibil la: https://www.rcis.ro/journal/article/view/2135-the-intrinsic-and-extrinsic-factors-for-teacher-motivation