Griffiths, Ruth.
The abilities of babies : a study in mental measurement / Ruth Griffiths. - London : University of London, c 1954. - x, 234 p. : ill. ; 23 cm.
Includes Index.
Includes Bibliography : p. 219-226.
313 313
Child psychology.
151.2 / G875a
The abilities of babies : a study in mental measurement / Ruth Griffiths. - London : University of London, c 1954. - x, 234 p. : ill. ; 23 cm.
Includes Index.
Includes Bibliography : p. 219-226.
313 313
Child psychology.
151.2 / G875a