Improving agricultural extension :
Swanson, Burton E.
Improving agricultural extension : A reference manual / Burton E. Swanson ; Robert P. Bentz , Andrew J. Sofranko. - Rome : Food and agriculture organization of the United Nations, 1997 - ix , 220σ. : εικ. ; 30εκ.
Updated ed. of : Agricultural extension .2nd ed. 1984
Περιλαμβάνει βιβλιογραφικές παραπομπές
9251040079
Agricultural extension work--Handbooks ,manuals ,etc
Improving agricultural extension : A reference manual / Burton E. Swanson ; Robert P. Bentz , Andrew J. Sofranko. - Rome : Food and agriculture organization of the United Nations, 1997 - ix , 220σ. : εικ. ; 30εκ.
Updated ed. of : Agricultural extension .2nd ed. 1984
Περιλαμβάνει βιβλιογραφικές παραπομπές
9251040079
Agricultural extension work--Handbooks ,manuals ,etc
