na INLIS000000000015113 Ind 0010-0217006155 Berlatih Olimpiade Matematika 5 Tery, Chew Cet.1 Jakarta Erlangga 2012 148 Hal.; Daftar Pustaka ; 26 cm. 978-602-241-190-1 796.48 Ter B 796.48 Olimpiade 017006620