[Footnotes]

[Footnotes]
1
Crew, M. C., The Teaching of Consumer Chemistry, School Scieniee alnd Mathematics, Junie, 1939.
Crew
The Teaching of Consumer Chemistry
1939
2
Hawkes, H. E., and others, The Construc- tion and Use of Achievement Examinations, Houghton Mifflin and Co., 1936.
Hawkes
The Construction and Use of Achievement Examinations
1936
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