The free enterprise system
Subtitle: a behavioral research laboratories programmed text. Under the auspices of Behavioral Research Laboratories
Contributors: Behavioral Research laboratories, Palo Alto, Calif
Series: The American economics series -- bk. 1; American economics series -- bk. 1.
Publisher: McGraw-Hill
Published: 1963
Place of publication: New York
Language: eng
Number of pages: 274
Subjects: Economics; Programmed instruction