na NUTBA000000000005240 20141027092139.0 0010-101400000000470 NBPDMAT 551.22 551.22 Pur a Purwanto Awas gempa / Purwanto Jakarta : Pustaka Utama Grafiti, 2007 56 hlm. : ilus. ; 20 cm. Bibliografi : hlm. 55 Gempa Bumi NBPDMAT