na NUTBA000000000005629 20141105073027.0 979.9925.35-5 0010-111400000000108 NBPDMAT 631.4 631.4 Nug b Nugrohowati Bencana tanah longsor Nugrohowati Cet. 1 Surabaya SIC 2008 20 hlm ilus 29 cm Bibliografi hlm : 28 Tanah Longsor NBPDMAT