Chu, Ling Heng A geochemical orientation survey over the Ulu Sokor area, Kelantan, Peninsula Malaysia / by Chu Ling Heng and Harry Muntanion - Kuala Lumpur : Geological Survey Headquarters, 1983 - 39 p. : ill. - Geochemical report ; 3 . Subjects--Topical Terms: Geochemistry--Kelantan