00527nam a2200181Ia 4500 404 404 528 pucpr 20170322103117.0 911005|1951||||nyua||||||||||00010|eng|d PR-PUCPR spa evl 136.7 S897i3 Strang, Ruth May 1895- 174937 An introduction to child study. 3d. ed. New York : MacMillan Company, ©1952 xi, 705 p. : ill. ; 21 cm. Child development 72561 Local Children Care and hygiene 72630 Local Children management. 72630 Local ddc 6 0 0 ddc 0 0 evl 10 10 1 2016-05-27 672 0 136.7 S897i3 80000001033953 2017-05-18 00:00:00 6