Black, John Donald
Introduction to economics for agriculture / John Donald Black - New York : Macmillan , 1953 - xv, 727p. : ill. ; 21 cm.
Includes bibliographical references and index.
Agriculture
Economic aspects
630 / BLA-2
Introduction to economics for agriculture / John Donald Black - New York : Macmillan , 1953 - xv, 727p. : ill. ; 21 cm.
Includes bibliographical references and index.
Agriculture
Economic aspects
630 / BLA-2