na INLIS000000000007752 20140115065558.0 a ||| | 170530| ||| | $a 978-979-610-121-4 $a 0010-011400000001325 $a 510 $a 16 $a 510 SRI e C.4 $a HJ. Sriyanto $a Easy Math $a ke-1 $a Yogyakarta $b Pustaka Widyatama $c 2007 $a ARPUS KAB. Magetan $a 34.897-0