na INLIS000000000038024 20161011135335.0 $0010-101600000000785 $a 510.7. SUM b V.3A $a 510.7. SUM b V.3A $a P_. Sumardi,B.A. $a Belajar Matematika SMP $a Jakarta $a R.A.C. Suhardjono $a Arpus Kab. Magetan $a 17.357-0