na INLIS000000000002622 Ind 0010-0120001490 Sains SD Kelas Vi Haryanto Haryanto Jakarta: Erlangga 2004 xiv, 207 hal ; 25 cm 979-741-152-4 372 s 372 Sains 15476/2009 15475/2009 15479/2009 15478/2009 15477/2009