Environment
Subtitle: student manual
By: [by] Robert Knott [and] Charlyn Sheehan
Edition: Trial ed.
Publisher: University of California, Science Curriculum Improvement Study
Published: 1968
Place of publication: Berkeley
Language: eng
Number of pages: 44
Subjects: Biology; Study and teaching (Elementary); Handbooks, manuals
Notes: "A science unit for the upper elementary grades."