Shagufta, Suri Salini, Narang, R.K. <br/><br/>
International encyclopedia of agricultural engineering (set of 7 volumes):  Biofertilizer technology/ 

 - New Delhi  APH Publishing corporation  2012 
 - 299 p.:  23 cm. 
<br/><br/><label>ISBN: </label>9.7893313174e+012 
<br/><br/><label>Dewey Class. No.: </label>630.031  / SHI 2012