00623     2200229   4500001002100000005001700021008004100038035002400079082001100103090002100114111002500135245006100160250001100221260003300232300002400265500002600289650002700315850001500342980001500357985000600372999001500378YOGYA-0209000003553420090227025024.0                                   ind    0010-020900000035534  a600.72  a600.72bInd LlT  aIndonesia. Depdikbud  aLomba karya ilmu pengetahuan bagi remaja 1981cDepdikbud  aCet. 1  aJakartabBalai Pustakac1983  a81 hlmbilusc21 cm  aBibliografi : hlm. 79  aTeknologi - Penelitian  aYOPDYOG(B)  a02-10-2006  a1  aa000061905