Siann, Gerda Educational psychology in a changing world. - London: ELBS, 1984. - xi,255p.; 25cm "Y" ISBN: "0 04 3701396 1" Subjects--Topical Terms: 1. Developing 2. Educational psychology 3. Education 4. Child development Subjects--Index Terms: "Y" LC Class. No.: LB1051 / .S53