TY - BOOK AU - Hurlock, Elizabeth Bergner, AU - ED - ED - ED - ED - TI - : a life-span approach SN - 0070314500 : SN - 2 PY - 0000///46 CY - PB - KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Developmental psychology N1 - Includes bibliographies and index; 5 ER -