Regions of the world.
Series: Our working world
Publisher: Science Research Associates
Published: 1973
Place of publication: Chicago
Language: eng
Subjects: Geography, Economic.; Social sciences -- Study and teaching.; World history.
Notes: A sequential, multi-level social sciences programme.
Table of contents: value: [no.1] Student text.; value: [no.2] Problems book; teacher's ed.; value: [no.3] Teacher's resource guide.