Ooi, A. C. <br/><br/>
Limestone resource investigation of Gunong Ginting, Perak / 
by A. C. Ooi 
 - Ipoh:  Jabatan Penyiasatan Kajibumi,  1980 
 - 31 p. 
 - Report of the Industrial Minerals Division; no.Im 7/1980 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limestone--Perak<br/>Investigative reporting--Perak