System analysis of the hog-pork subsector
SULLIVAN, James D
System analysis of the hog-pork subsector - Washington 1976 - 59p - USDA. Technical bulletin , no.1535 .
SWINE -- MARKETING
SWINE -- MARKETING SWINE BREEDING
338.176 4 S93S
System analysis of the hog-pork subsector - Washington 1976 - 59p - USDA. Technical bulletin , no.1535 .
SWINE -- MARKETING
SWINE -- MARKETING SWINE BREEDING
338.176 4 S93S