00547 2200217 4500001002100000035002000021245008200041100001600123260002600139300002500165084001300190082001300203650001700216650001900233650001100252650001900263650001800282650001100300990000900311990000900320INLIS000000000002737 a0010-0121001103 aModelling the economics of Imperata control in smallholder rubber plantations aPeter Grist aCanberrabACIARc1995 a13 p. :cill ; 30 cm a633.91-2 a633.91-2 aWEED CONTROL aFARMING SYTEMS aRUBBER aSOUTHEAST ASIA aASIA TENGGARA aKARET. a3866 a3866