1. Economic guidelines for crop pest control
پدیدآورنده : Reichelderfer, K. H.
کتابخانه: Central Library of Agricultural (Tehran)
موضوع : $AAgricultural pests -- Integrated control$BEconomic aspects,$APlant parasites -- Integrated control$BEconomic aspects
رده :
SB
950
.
R425
1984