Ballvé, Faustino. Essentials of economics: a brief survey of principles and policies. Translated from the Spanish and edited by Arthur Goddard. - Princeton, N.J., Van Nostrand, [1963] - 109 p. 24 cm. - The William Volker Fund series in the humane studies . Translation of Diez lecciones de economia. Subjects--Topical Terms: Economics. Dewey Class. No.: 330.1