COINDS/25/1984-85; Minimal national standards compleex fertilisers industries(With or without straight nitrogenous and phosphatic fertilisers) 

 - New Delhi  CBP & CWP  1985 
 - 10+Annexures 
 -  Comprehensive Industry Document series .
<br/><br/><label>Universal Decimal Class. No.: </label>628.54  / : 631.8 CEN.85