Askury Abd. Kadir <br/><br/>
Laporan kegagalan cerun di KM 69.54 jalan raya timur-barat, Gerik, Perak  no. laporan: ENG.GEO/TRG.5/1999 
Askury Abd. Kadir 
 -  1999 
 - 9p.  ill.,photos  30cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology investigation--Gerik--Perak