Volume I subsidence and sinkhole occurence in Bukit Merah new village Menglembu, Ipoh 
Makmal Penyiasatan Kajibumi 
 -  1982 
 - iii, 39p.  ill., photos  30cm. 
<br/><br/>Includes bibliographical references 
<br/><br/> The objective of the investigation are to investigate the cause of the sinkhole formation, to investigate the cause of the land subsidence and related slope stability problem, and to demarcate the danger zone. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Ipoh--Perak