Nurul Syafiqah Abdullah Geohazard assessment of subsurface karstic terrain along Jalan Lahat, Ipoh, Perak Nurul Syafiqah Abdullah - Kuala Lumpur Faculty of Sciences University of Malaya 30 cm - xi, 104 p. col.,ill. 30 cm Subjects--Topical Terms: Limestone--Ipoh--Perak--ThesisGeohazard--Ipoh--Perak--Thesis