To feed this World :
Wortman, Sterling.
To feed this World : the challenge and the strategy / Sterling Wortman and Ralph W. Cummings. - Hopkins : Hopkins University Press, 1978 - xiv, 440 p.
Includes index and bibliography.
Open access.
0801821371
Food supply.
To feed this World : the challenge and the strategy / Sterling Wortman and Ralph W. Cummings. - Hopkins : Hopkins University Press, 1978 - xiv, 440 p.
Includes index and bibliography.
Open access.
0801821371
Food supply.