Mohd Firdaus Bin Abdul Karim Geologi Am Kawasan Kampung Port Weld, Perak Dengan Penekanan Terhadap Permatang Pasir Holosen Mohd Firdaus Bin Abdul Karim - Kuala Lumpur Universiti Malaya 2002 - xii, (various pg.) ill.; some col.; 2 maps 30 cm Includes bibliography index Subjects--Topical Terms: General geology