Ceylan, R. And Yiğitalp, N. Problem-Based Learning. 2016. In Current Advances in Education , St.Kliment Ohridski University Press, Sofija, 52-59.

Ceylan, R., & Yiğitalp, N., (2016). Problem-Based Learning. Current Advances in Education (pp.52-59), Sofija: St.Kliment Ohridski University Press.

Ceylan, Remziye, And Nihal YİĞİTALP. "Problem-Based Learning." In Current Advances in Education , 52-59. Sofija: St.Kliment Ohridski University Press, 2016

Ceylan, Remziye And Yiğitalp, Nihal. "Problem-Based Learning." Current Advances in Education , St.Kliment Ohridski University Press, 2016, pp.52-59.

Ceylan, R. And Yiğitalp, N. (2016) "Problem-Based Learning", Current Advances in Education . Sofija: St.Kliment Ohridski University Press.

@bookchapter{bookchapter, author ={Remziye CEYLAN And author ={Nihal YİĞİTALP}, chaptertitle={Problem-Based Learning}, booktitle={ Current Advances in Education}, publisher={St.Kliment Ohridski University Press}, city={Sofija},year={2016} }