na INLIS000000000043641 20161117092256.0 $a 979-610-113-0 $0010-111600000002664 $a 510 SON i C.3 $a Sony Hartono $a Intisari Matematika SD $a ke-1 $a Yogyakarta $b Pustaka Widyatama $c 2007 $a ARPUS KAB. Magetan $a 32.175-0