1. Agricultural environments characterization, classification and mapping: proceedings of the Rome Workshop on Agro-Ecological Characterization, Classification and Mapping, 14 - 18 April 1986
پدیدآورنده :
کتابخانه: Central Library of Agricultural (Tehran)
موضوع : $AAgricultural ecology$BCongresses,$AAgriculture$BResearch -- Congresses
رده :
S
589
.
7
.
R65
1986