P C Aw & Ooi A C <br/><br/>
Limestone quarries in the Kinta district a look at the exploration of rock resources (RAK F2) 

 - MX(N) 14 1978 
 - Ipoh Perak  Jabatan Penyiasatan Kajibumi Malaysia  1978 
 - ill:13p. 29.8 cm