na INLIS000000000004141 20130612092425 Ind 010-061300000004141 Ind 510.148 510.148, Yud r Yudhi Rumus-rumus rahasia matematika praktis SMU, Ir.Yudhi, Wudyi 1994 Yogyakarta 169 hlm, ilus, 15 cm Matematika Wudhy NBPNMAT