De Silva, M. A. T. <br/><br/>
Science education series : Mineral nutrition of plants. No. 1 

 - Colombo :  National Science Council of Sri Lanka,  
 - 54p.;  23cm 
 - Science Education Series  1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural sciences<br/>Education and Research
<br/><br/><label>Dewey Class. No.: </label>SIL  / 507.0931