Aspects of extension work
Franco, J. Di.
Aspects of extension work by J. Di. Franco - Turrialba Inter-American Institute of Agricultural Science of the O.A.S. 1963 - 91 p.
Agricultural Extension
Extension Work
63(071.1) / F 844 S
Aspects of extension work by J. Di. Franco - Turrialba Inter-American Institute of Agricultural Science of the O.A.S. 1963 - 91 p.
Agricultural Extension
Extension Work
63(071.1) / F 844 S