Our national resources and how to conserve them;
a unit of work for grades 7 and 8.
APA Citation
San Mateo County (Calif.). Board of Education. (1941). Our national resources and how to conserve them: a unit of work for grades 7 and 8. [Redwood City? Calif.].
MLA Citation
San Mateo County (Calif.). Board of Education. Our National Resources And How to Conserve Them: a Unit of Work for Grades 7 And 8. [Redwood City? Calif.], 1941.
Warning: These citations may not always be complete (especially for serials).