Ooi, A. C. <br/><br/>
A geological investigation on the limestone hill near Kg.Sg. Ular, Kinta, Perak / 
by A. C. Ooi 
 - Ipoh :  Ibu Pejabat Penyiasatan Kajibumi,  1978 
 - 26 p. :  ill. 
 - A report of the Industrial Minerals Division ; no.MX(N)10/1978 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limestone--Perak<br/>Geology--Surveys--Perak