00661     2200229   4500001002100000005001500021035002000036245011500056100002500171250000600196300003500202260004400237082000800281084001400289020002200303650002100325990001700346990001700363990001700380990001700397990001700414INLIS00000000000028620180925025835  a0010-09180001401 aPrestasi Gemilang Anak Bangsa :bSeri Olimpiade Matematika, Informatika, dan Astronomi /cDrs. Valentino Barus0 aDrs. Valentino Barus  a-  aii, 54 hlm. :bilus. ;c21 cm.  aJakarta :bPT Lestari Kiranatama,c2010  a925  a925 VAL p  a978-602-8982-13-9  aBiografi Ilmuwan  a01194/H/2018  a01195/H/2018  a01196/H/2018  a01197/H/2018  a01198/H/2018