Joinod Oswald Pemetaan Geologi Am Dengan Penekanan Kepada Kestabilan Cerun, Bahagian Barat Gerik, Utara Perak Joinod Oswald - Kuala Lumpur Universiti Malaya 2004 - viii, (various pg.) ill.; some col. 30 cm Includes bibliography index Subjects--Topical Terms: Engineering geology