00626     2200193   4500001002100000005001500021035002000036007000300056008004100059082001100100084001700111100003800128245013500166260005400301300003200355650001100387700002100398990001300419INLIS00000000005397020230715095205  a0010-0422000520ta230715                g          1 ind    a633.91  a633.91 BAL b1 aBALAI PENELITIAN PERKEBUNAN MEDAN1 aBeberapa faktor yang mempengaruhi perkembangan  karet rakyat di Sumatera Utara : Kabupaten Langkat /cRidwan Dereinda ... [et al.]  aMedan :bBalai Penelitian Perkebunan Medan,c1978  aii, 37 p. :bill. ;c25 cm. 4aRUBBER1 aDEREINDA, Ridwan  a619/D/81