000 007730000a22003010004500
904 _aBCO
905 _aC
908 _aJ
909 _aAS
914 _aSILVI
914 _aRIBRE
082 0 4 _a23028
100 1 _981293
_aJOHANSON, L.
100 1 _9110597
_aRICHARDS, P.
260 _c1990
650 1 4 _9147487
_aEXTENSION
650 1 4 _9154749
_aMETODOS Y TECNICAS
650 1 4 _9134624
_aAFRICA TROPICAL
691 _9147488
_aEXTENSION ACTIVITIES
691 _9341794
_aTROPICAL AFRICA
692 _aVULGARISATION
692 _aAFRIQUE TROPICALE
773 0 _tForests, Trees and People Newsletter (FAO)
_d1990
_gno.11 p.38-43
040 _aCR-TuBCO
_cCR-TuBCO
_bEs
245 1 0 _aMaking forestry extension more effective
942 _cANA
003 CR-TuBCO
999 _c51687
_d51687