Baltacı and Coşkun
Arkan Sezgin and Baysal
Doğan and Saraçoğlu
Köseoğlu and Yıldız
Öztürk and Aksu
Sevinç Tuhanioğlu and Gizir
Selahattin DİLİDÜZGÜN
(HAYEF: Journal of Education 2007; 4: 29-48)
(HAYEF: Journal of Education 2005; 2: 11-24)
(HAYEF: Journal of Education 2004; 1: 43-55)