Author: ANN (Ralph Henry)

Description

OJ]kANN (Ralph Henry). A Standard for estimating the validity o’ c1ii1 development principles. See IO1A. University of Iowa. Unbersity of Iowa Studios. Studies in child welfaree Vol. 68. Jaur (fl.. ii.) Researches in parontoduoation.l, etc. pp.93-112. Iowa City, l93-. 34.

Card ID: 309