Ecosystems
Subtitle: Teacher's guide
By: Science Curriculum Improvement Study ; [collaborating authors, David Conard ... [et al.]]
Contributors: Conard, David
Publisher: Rand McNally
Published: 1971
Place of publication: Chicago
Language: eng
Number of pages: 103
Subjects: Science; Textbooks; Ecology
Notes: Indiana state adopted textbook, 1976-1981.