Zeynep Sayin

title	ISBN-13 (ISBN-10)	year of publication
LOPO Sinif Gecme Hediyesi Bir Kopek	978-975-21-1001-4 (975-21-1001-0)	2011
LOPO Yaramaz Kopek	978-975-21-1014-4 (975-21-1014-2)	2011