Othman Yaacob. <br/><br/>
Sains tanah / 
Othman Yaacob dan Shamshuddin Yusop. 
 - Kuala Lumpur:  Dewan Bahasa dan Pustaka,  1982. 
 - 402 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science.