na NUTBA000000000003645 20140825092457.0 979-28-0347-11 0010-081400000000490 NBPDMAT 372.7 372.7 Abd k Abdul Aziz Saefudin Keajaiban segi tiga siku-siku / Abdul Aziz Saefudin Klaten : Intan Pariwara, 2008 iv, 68 hlm. : ilus. ; 20 cm. Bibliografi : hlm. 69 Matematika SD NBPDMAT 21404532