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- [4] EFFECT OF TELEVISION UPON ELEMENTARY SCHOOL GRADES JOURNAL OF EDUCATIONAL RESEARCH, 1954, 48 (03): : 161 - 176
- [5] AN ANALYSIS OF SCHOOL SUBJECT PREFERENCES OF ELEMENTARY-SCHOOL CHILDREN OF THE MIDDLE GRADES JOURNAL OF EDUCATIONAL RESEARCH, 1962, 55 (10): : 554 - 555
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- [9] A comparison of elementary and high school grades PEDAGOGICAL SEMINARY, 1910, 17 (04): : 429 - 450