na INLIS000000000031856 20130612133912 ind 010-061300000031856 ind 372.7 372.7, Ric e RICKIENO, Rizal Ensiklopedia Gemilang matematika Penghitungan, Rizal Rickieno 2007 Bogor 32 hal, Ilus, 28,5 cm PENDIDIKAN DASAR MATEMATIKA NBPNMAT