na INLIS000000000029394 20150916085348.0 $a 979-610-113-0 $0010-091500000000266 $a R 510 SON i C.1 $a R 510 SON i C.1 $a Sony Hartono $a Intisari Matematika SD $a Ke-1 $a Yogyakarta $b Pustaka Widyatama $c 2007 $a Arpus Kab. Magetan $a 32.173