Aw, P.C <br/><br/>
Limestone resources of Perlis 
P. C. Aw. 
 -  1981 
 - iv (unnumbered)  ill. , maps, col, photos  30 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Perlis<br/>Limestone--Perlis<br/>Rocks--Perlis
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Perlis