Lai, Kok Hoong <br/><br/>
A preliminary geological investigation of a hot spring site at Kampong Batu Tujuh, Tapah, Perak 
Lai Kok Hoong. 
 -  1981 
 - 1v. (various pagings)  maps  30 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/> A geological investigation was carried out at a hot spring site near Kampong Batu Tujuh, Tapah to determine the utility potential of the spring at the request of the Perak Forest Department on the 11th January, 1980. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Tapah--Perak