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, P. R. (Paul Raymond), 1886-1927
Series: Bulletin -- no. 10
Publisher: University of Illinois
Published: 1922
Place of publication: Urbana
Language: eng
Number of pages: 39
Subjects: Teaching; Public schools; School management and organization
Notes: On cover: University of Illinois bulletin.  vol. XIX, no. 45.

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