An introduction to child study /
Strang, Ruth
An introduction to child study / Ruth Strang. - New York : MacMillan, c1951. - 705 p. : ill.
Biblio. : pp. 676-681
Child psychology.
Child study.
An introduction to child study / Ruth Strang. - New York : MacMillan, c1951. - 705 p. : ill.
Biblio. : pp. 676-681
Child psychology.
Child study.
