Chung, S.K. <br/><br/>
Annual report of the geological survey Malaysia 1968 

 - Ipoh, Perak.- Malaysia.-  Geological Survey Malaysia,    1968 
 - ill. 199p.-25 cm.  
<br/><br/><label>Dewey Class. No.: </label>551 ANN.- Pusat Terbitan Jabatan  A 1/1