Ong, Chee Yan Magnitude and frequency of floods in Peninsular Malaysia [revised and updated] / Ong Chee Yan. - Kuala Lumpur: Drainage and Irrigation Department, Ministry of Agriculture, Malaysia, 1987. - 19 p. : ill. ; 30 cm. - Hydrological procedure; no.4 . Dilampirkan : peta. Subjects--Topical Terms: Floods--Malaysia.