Abullah Sani b H Hashim,Loh Chiok Hoong <br/><br/>
geological investigation on the light grey granite at the g b quarry and its potential use as a dimension stone 

 - C 553 ABD - IM 1/1991 
 - Ipoh Perak  Jabatan Penyiasatan Kajibumi Malaysia  1991 
 - ill:21p. 29.8 cm