Alexander S W Yan,Wong Vui Chung,Badrol Mohamad,Dee Dee Lakkui <br/><br/>
Evaluation of coal resource in the Silimpopon coalfield Sabah : RAK (E2 / E6) 

 - JMG.SB/CL 99/2 
 - Kuala Lumpur  Jabatan Mineral Dan Geosains Malaysia  2000 
 - ill:33p. 29.8 cm  coal resource assessment project in Sabah (seventh Malaysia plan) Silimpopon coalfield,drillhole location and cross section