na INLIS000000000007038 20140108135436.0 a ||| | 170530| ||| | $a 978-979-021-268-8 $a 0010-011400000000611 $a 510. $a 16 $a 510. TRI p v.2 c.1 $a Tri Yulianto $a Panduan Olimpiade Matematika $a Ke-1 $a Semarang $b PT. Bengawan Ilmu $c 2008 $a ARPUS Magetan $a 50.978-0