000 00535nam a2200181Ia 4500
008 170101s1963 xx 000 0 und d
082 _a630.7 C29I
100 _aChang, C. W.
245 0 _aIncreasing food production through education, research and extension
260 _aRome
_bF.A.O.
_c1963
300 _a23cm. 78
440 _aFFHC basic study no.3
650 _aAGRICULTURAL EXTENSION WORK
653 _aAGRICULTURAL EDUCATION
653 _aAGRICULTURAL EXTENSION WORK
653 _aAGRICULTURAL RESEARCH
942 _2ddc
_cB
999 _c10579
_d10579