00458     2200181   4500001002100000035002000021245005200041100002200093260002100115300004900136084001200185082001200197650001100209650001500220650001200235650002000247990000900267INLIS000000000008452  a0010-1021003286  aRespon Produksi dan Ekspor Karet Sumatera Utara  aJulia F. Sinuraya  aBogorbIPBc2000  axvi, 175p; ill; 22 cmcxvi, 175p; ill; 22 cm  a633.912  a633.912  aRUBBER  aPRODUCTION  aEXPORTS  aNORTH SUMATERA.  a7982