Prof. Dr. Ali Osman ENGİN
Address: Atatürk University, Kâzım Karabekir Education Faculty, Erzurum, Turkey Phone:+90 442 231 35 50 E-mail:[email protected]AVES
Address: Büyükdere Caddesi, 105/9 34394 Şişli, İstanbul, Turkey Phone:+90 212 217 17 00 E-mail:[email protected]
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