TY - BOOK AU - Wadsworth,Barry J. TI - Piaget's theory of cognitive and effective development SN - 0801302005 PY - 1989/// CY - New York PB - Longman KW - Piaget, Jean, KW - Cognition in children KW - Local KW - Emotions in children N1 - Includes index; Bibliography: p. 201-208 ER -