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- [38] THE INFLUENCE OF CLASS SIZE UPON PUPIL ACCOMPLISHMENT IN HIGH-SCHOOL ALGEBRA JOURNAL OF EDUCATIONAL RESEARCH, 1930, 21 (02): : 120 - 137
- [39] THE INFLUENCE OF CLASS SIZE UPON PUPIL ACCOMPLISHMENT IN HIGH-SCHOOL ALGEBRA JOURNAL OF EDUCATIONAL RESEARCH, 1930, 21 (05): : 337 - 356