H. Aydin, „A Comparative Study between the United States and Turkey on Teachers? Lesson Planning Effort”, rcis, vol. 46, pp. 99–117, sep. 2014, Data accesării: nov. 07, 2026. Disponibil la: https://www.rcis.ro/journal/article/view/1815-a-comparative-study-between-the-united-states-and-turkey