6Hall,S.,(1908),Adolescence:its psychology and its relations to physiology,anthropology,sociology,sex,crime religion and education.New York:D.Appleton & Co..
8James,A.,& Prout,A.(1997).Constructing and reconstructing childhood:contemporary issues in the sociological study of childhood(2nd ed.).London:Falmer Press.
9Piaget,J.,Tomlinson,J.,& Tomlinson,A.(1929).The child's conception of the world.London:K.Paul Trench Trubner.
