The relation of class size and selected teaching methods to pupil achievement ...
APA Citation
Ewan, S. Newcomb. (1934). The relation of class size and selected teaching methods to pupil achievement ... Philadelphia.
MLA Citation
Ewan, Stacy Newcomb, 1900-. The Relation of Class Size And Selected Teaching Methods to Pupil Achievement ... Philadelphia, 1934.
Warning: These citations may not always be complete (especially for serials).