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|a eng
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|a Heiss, Elwood D.
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|a An Investigation of content and mastery of high school general science courses.
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|a HEISS, Elwood D. :
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|a East Stroudsburg, Pennsylvania
|b The Craft Press, Inc.
|c 1932
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|a 118 S.
|c 8°
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|a HEISS, Elwood D. : -- An Investigation of content and -- mastery of high school general science -- courses. - East Stroudsburg, Pennsylvania -- 1932. (The Craft Press, Inc., Fayetteville, -- Pa.) 118 S. 8° New York, Columbia Univ., -- phil. Diss.
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| 852 |
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|c D54039
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|a Dissertation
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| 591 |
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|a description: oonteat aadmastery or nign sohool geaeral scienotocrarsta. Saat Strouds burg,Pemsyltaaia1932. ffif Oraft Praas.Iaö. Pa. 118 S. 80 Hw York.OolumMaphil.Dlas.
|a published: 1932
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