Cleaner production
628.445
K98C Kumar, H.D. and Kumar,Enakshi jt auth
Cleaner production
-- New Delhi : Vitasta , 2009
435224
435225
437944 xvi,380p
Factory and trade waste - Environmental aspects
K98C Kumar, H.D. and Kumar,Enakshi jt auth
Cleaner production
-- New Delhi : Vitasta , 2009
435224
435225
437944 xvi,380p
Factory and trade waste - Environmental aspects