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Clark, Raymond C., 1937-

Earth matters : our living planet : basic environmental concepts and vocabulary / Our living planet : basic environmental concepts and vocabulary Raymond C. Clark. - Brattleboro, Vt. : Pro Lingua Associates, c2009. - iv, 68 p. : col. ill. ; 28 cm. + 1 audio CD (4 3/4 in.)

ISBN: 9780866472890 (book) 0866472894 (book) 9780866472883 (audio CD) 0866472886 (audio CD)

Subjects--Topical Terms:
English language--Study and teaching--Foreign speakers.
Vocabulary--Study and teaching--Foreign speakers.
Earth sciences--Study and teaching--Activity programs.