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Report of the First International Conference on Correspondence Education. Victoria, British Columbia, Canada, August 22nd, 23rd and 24th, 1938
International Conference on Correspondence Education (1st :, 1938 : Victoria BC)
出版Department of Education, 1938
URLhttp://books.google.com.hk/books?id=iASN0AEACAAJ&hl=&source=gbs_api