na INLIS000000000006458 20140102082205.0 $a 978-979-021-266-4 $0010-011400000000031 $a 372.1 $a 13 $a 372.1 TRI p V.7 C.1 $a Tri Yulianto $a Panduan Olimpiade IPA $a Semarang $b PT. Bengawan Ilmu $a ARPUS KAB. Magetan $a 50.001-0 $a 50.001-0