S Senathi Rajah & Khoo Kay Khean <br/><br/>
An investigation of limestones of Kuala Jelai Negeri Sembilan (RAK F2) 

 - MN (N) 3/1972 
 - Ipoh Perak  Jabatan Penyiasatan Kajibumi Malaysia  1972 
 - ill:33p. 29.8 cm