Yusuf b Bujang,Mohd Zailon b Ramli <br/><br/>
Report of hydrogeological investigation at Kampung Kejapil Bekenu district Miri division Sarawak : RAK (E13) 

 - GSKL 037/23/318 
 - Kuala Lumpur  Jabatan Mineral Dan Geosains Malaysia  1998 
 - ill:13p. 29.8 cm