颁布单位：[University of Alberta] |  颁布时间：1981 |  实施时间：1981 |  学科分类：[Moral, education, Social, sciences, and, ethics, Social, sciences--Study, and, teaching--Audio-visual, aids, Values--Study, and, teaching, Teaching--Aids, and, devices, Conduct, of, life--Study, and, teaching]

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