Economics of plant protection
BELLAMY, M. A
Economics of plant protection - Farnham Royal, U. K. 1976 - 45,2p - Commonwealth Bureau of Agricultural Economics. Annotated bib .
PLANTS, PROTECTION OF -- ECONOMIC ASPECTS -- BIBLIOGRAPHY
PHY PLANTS, PROTECTION OF -- ECONOMIC ASPECTS -
016.632 B43E
Economics of plant protection - Farnham Royal, U. K. 1976 - 45,2p - Commonwealth Bureau of Agricultural Economics. Annotated bib .
PLANTS, PROTECTION OF -- ECONOMIC ASPECTS -- BIBLIOGRAPHY
PHY PLANTS, PROTECTION OF -- ECONOMIC ASPECTS -
016.632 B43E