An investigation concerning the value of the oral method. 1909.
Binet
A
A
Simon
T
T
D003638:Deafness / Q000266:history*; D004519:Education, Special / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D011588:Psychology, Educational / Q000266:history; D013070:Speech Therapy / Q000266:history*