Wee Seck, Ong The Geology And Engineering Geology Of Pulau Pinang Geological Survey Malaysia - 1st. edition - Ipoh Percetakan Zainon Kassim Sdn. Bhd. 1993 - xvii, 74p. ill. attached map at the last page 25cm includes index includes references ISBN: RM 30.00 Subjects--Topical Terms: Geology--Engineering Geology--Penang