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The Teaching of Earth Science in Secondary Schools in Canada
Charles Gordon Winder
其他書名
A Brief Presented by the Geological Association of Canada to the Solid Earth Study Group Professor Roger Blais, Chairman, April 17, 1969
出版The Association, 1969
URLhttp://books.google.com.hk/books?id=wPYrtwAACAAJ&hl=&source=gbs_api