Baltacı and Coşkun
Arkan Sezgin and Baysal
Doğan and Saraçoğlu
Köseoğlu and Yıldız
Öztürk and Aksu
Sevinç Tuhanioğlu and Gizir
Fatma Gülay KIRBAŞLAR, Zeliha ÖZSOY-GÜNEŞ, Filiz AVCI, Alpin ATALAR
(HAYEF: Journal of Education 2012; 9: 61-83)
Tamer ERGİN
(HAYEF: Journal of Education 2005; 2: 135-145)