000 00448 a2200145 4500
080 _a63(071.1)
_bF 844 S
245 1 _aAspects of extension work
_cby J. Di. Franco
260 _aTurrialba
_bInter-American Institute of Agricultural Science of the O.A.S.
_c1963
650 _aAgricultural Extension
650 _aExtension Work
100 1 _aFranco, J. Di.
300 _a91 p.
040 _aIARI, New Delhi
901 _a180271
999 _c78938
_d78938