Sayı bulmaca [electronic resource] / haz. C.E.A. - İstanbul : Geçit Kitabevi, 2002 - 80 p. ISBN: 9789757699521 Subjects--Topical Terms: Genel ÇalışmalarGeneral WorksBulmacalarPuzzlesGAMES / Puzzles LC Class. No.: GV1507 / .S29 2002