000 00438 a2200145 4500
041 _aEn
080 _b630
082 _aAT161
100 _aPriyantha H.A.
245 _aConstraints involved in farmer field schools (FFSs) approach in successful imlementation of rice-ipm in Kurunegala district
260 _c2009
300 _bill
_c30 cm.
_aviii,82p.
650 _aFRMER FIELD SCHOOL(FFSS),INTEGRATED PEST MANAGEMENT(IPM)
942 _cT
999 _c10460
_d11900