The gross national product
By: Keith G. Lumsden : under the auspices of Behavioral Research Laboratories, Palo Alto, Calif
Contributors: Behavioral Research Laboratories, Palo Alto, Calif
Series: The American economics series -- bk. 2; American economics series -- bk. 2.
Publisher: McGraw-Hill
Published: 1963
Place of publication: New York
Language: eng
Number of pages: 344
Subjects: Gross national product; Programmed instruction; Economics; Produit national brut; Enseignement programmé; Économie politique
Notes: A Behavioral Research Laboratories programmed text.