Zahari Muda Baturuntuh di lebuhraya Ipoh-Changkat Jering (berhampiran Tasek Cement, Ipoh) no. E(F)3/1984 Zahari Muda - 1984 - i,8 p. ill., photos 30 cm.+ 1 map Includes bibliographical references Subjects--Topical Terms: Geology investigation--Ipoh--Perak