Shu,Yeoh Khoon <br/><br/>
Rockfall at Gunung Cheroh, Ipoh  no. E(G)4/1973 
Shu Yeoh Khoon,Lai Kok Hoong 
 -  1973 
 - 19p.  maps,photos  34cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology investigation--Ipoh--Perak