Vol. 1: Jean Piaget : an appreciation and Piaget's major works. The theory of cognitive development. Sensorimotor intelligence. - 171 p. - ISBN 0-85633-089-2. Vol. 2: Experimental validation of conservation. The child's conception of space. - 280 p. - ISBN 0-85633-097-3. Vol. 3: The growth of logic-concrete and formal operations. - 313 p. - ISBN 0-85633-098-1. Vol. 5: Personality, socialization and emotionality. Reasoning among handicapped children. - 380 p. - ISBN 0-85633-105-8. Vol. 6: The cognitive-developmental approach to morality. - 224 p. - ISBN 0-85633-106-6. Vol. 7: Training techniques. - 190 p. - ISBN 0-85633-107-4. Vol. 8: Cross-cultural studies. - 238 p. - ISBN 0-85633-108-2.
CDU: 159.92/.94-053.2-056.3