National Science Teachers Association, ebrary, Inc, & Katz, P. (2001). Community connections for science education. National Science Teachers Association.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)National Science Teachers Association, Inc ebrary, ба Phyllis Katz. Community Connections for Science Education. Arlington, VA: National Science Teachers Association, 2001.
MLA -ийн эшлэл (9 дэх хэвлэлт)National Science Teachers Association, et al. Community Connections for Science Education. National Science Teachers Association, 2001.
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