| Differences between open and traditional elementary students on selected characteristics and changes in same characteristics after six months in a middle school /--by James W. White. (1973) | |||
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| Thesis (Ph. D.)--University of Pittsburgh, 1973.. Photocopy. Ann Arbor, Mich. :--University Microfilms International,--1978.--135 p. ; 21 cm.--s1978 xx n r | |||
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