Suggested Topics within your search (to browse all results for a topic, do a new Subject search).
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Published 1947
Full text available in DOAJ: Directory of Open Access Journals: 2016 to present
Electronic
Journal
Serial
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Published 2009
Full text available in Springer Nature Complete Journals: 1998 to present
Electronic
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Published 2013
Full text available in Hindawi Open Access Journals: 2013 - 2014
Electronic
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Published 2009
Full text available in DOAJ: Directory of Open Access Journals: 2009 to present
Electronic
Journal
Serial
19
Published 1986
Full text available in EBSCO Open Access Journals: 1997 - 2007
Government Document
Electronic
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