Relation of size of class to school efficiency
By: by Bureau of educational research.  Prepared, in part, from a report by P. R. Stevenson, former assistant, Bureau of educational research.
Contributors: Stevenson, Paul Raymond, 1886-
Series: Bulletin; no. 10
Publisher: University of Illinois
Published: 1922
Place of publication: Urbana
Language: eng
Number of pages: 39
Subjects: School management and organization; Public schools; Teaching
Notes: On cover: University of Illinois bulletin.  vol. XIX, no. 45.