Mohd Zailon b Ramli <br/><br/>
A semi detailed hydrogeological investigation in Kampong Lubok Punggor Simunjan district Kota Samarahan division Sarawak : RAK (E9) 

 - GSKL 037/12/(135) 
 - Ipoh Perak  Jabatan Penyiasatan Kajibumi Malaysia  1989 
 - ill:79p. 29.8 cm