Portakal, Hüseyin. Çocuk eğitiminde özgürlük ve saldırganlık / Hüseyin Portakal - İstanbul : Altın Kitaplar, 1994. - 191 p. ISBN: 9754054630 Subjects--Topical Terms: Aggressiveness Child psychologyDependency in childrenAutonomy in childrenChild Psychology LC Class. No.: BF723