TY - BOOK AU - Hurlock, Elizabeth B. AU - ED - ED - ED - ED - TI - : a life-span approach SN - 971-08-2954-8 (paperback) SN - 2 PY - 1982///46 CY - New York PB - McGraw-Hill KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Developmental psychology.;Human development KW - sears0 N1 - Includes bibligraphical references and index; 5; Professional ER -