Vimala Purushothaman <br/><br/>
Marcro nutrient requirement of chinese cabbage (Brassica pekinensis) and cauliflower (Brassica oleracea var. botrytis)  [article] / 
Virmala Purushothaman, K. T. Joseph and S. Thamboo 
 - Serdang :  MARDI,  1980 
<br/><br/> PTSL : June, 1980