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Title: How can one be sure? Ground rules for judging research quality.
Authors: McElroy, Barrie I.
Publication: International Research in Geographical & Environmental Education, 1993, Vol 2, Issue 1, p66
ISSN: 1038-2046
Publication type: Academic Journal
DOI: 10.1080/10382046.1993.9964898

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How can one be sure? Ground rules for judging research quality.