Farmers first : farmer innovation and agricultural research /
Chambers, Roberts
Farmers first : farmer innovation and agricultural research / - Great Britain : Intermediate Technology Publications, 1989. - xx,219 p. : ill. ; 23 cm.
630.715 CHA
Farmers first : farmer innovation and agricultural research / - Great Britain : Intermediate Technology Publications, 1989. - xx,219 p. : ill. ; 23 cm.
630.715 CHA