Ooi, A. C. <br/><br/>
Limestone resource investigation of part of Gunong Lanno and Gunong Terendum, Keramat Pulai, Perak / 
by A. C. Ooi 
 - Ipoh :  Ibu Pejabat Penyiasatan Kajibumi,  1978 
 - 15 p. :  ill. 
 - Report of the Industrial Minerals Division; no.MX(N) 1/1979 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limestone--Perak<br/>Investigative reporting--Perak