00512     2200217   4500001002100000005001700021008004100038035002400079082000600103090001400109100002300123240000600146245004000152260003300192300002900225500000600254504000600260650001000266852001200276985000600288JATIM-0609000001052520090625111100.0                                   ind    0010-060900000010525  a0  a500 DEP l  aDEPARTEMEN P DAN K  a0  aLomba Penelitian Ilmiah Remaja 1987  aJakartabBalai Pustakac1989  a102 hlm. : ilus. ; 21 cm  a0  a0  aSAINS  aJIPDSUR  a2