Symposium Somiplan  (Kuala Lumpur :  1976) <br/><br/>
Soil microbiology and plant nutrition :  proceedings of Symposium Somiplan ... / 
edited by W.J. Broughton ... [et al.] 
 - Kuala Lumpur :  Penerbit Universiti Malaya,  1979. 
 - xxiii, 642 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Nutrition.<br/>Soil microbiology