na INLIS000000000040430 20130612150009 ind 010-061300000040430 ind 371.33 371.33, Yus, s Yusuf, yusin Sirkuit pintar melejitkan kemampuan matematika 2011 Jakarta xi, 108 hlm., ilus, 25 cm Metode belajar mengajar Auliya, Umi NBPNMAT