Butcher, Walter R.; Cromarty, William A.; Ruttan, Vernon W. - In: Journal of farm economics 49 (1967) 5, pp. 1473-1504
Butcher, Walter R.: Evolvement and scope of production economics. S. 1473-1479 …Cromarty, William A.: Production economics and policy planning. An agribusiness interes. S. 1480-1489 …Ruttan, Vernon W.: Issues in the evolution of production economics. S. 1490-1499 …