A Study of the Laughing and Smiling of Preschool Children
Ding, Gladys F., Jersild, Arthur T.Volume:
40
Language:
english
Journal:
The Pedagogical Seminary and Journal of Genetic Psychology
DOI:
10.1080/08856559.1932.10532436
Date:
June, 1932
File:
PDF, 996 KB
english, 1932