Examining your environment, an introduction for teachers
By: by Daniel F. Wentworth ... [et al.].
Contributors: Wentworth, Daniel F., 1935-
Publisher: Holt, Rinehart and Winston of Canada
Published: 1974
Place of publication: Toronto, Ont
Language: eng
Number of pages: 76
Subjects: Ecology.
Notes: Bibliogr.

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