Gedam,Ratnakar. (1999). Techno-economics of steel plants. Deep & Deep Publications Pvt.Ltd.
Dyfyniad Arddull ChicagoGedam,Ratnakar. Techno-economics of Steel Plants. New Delhi: Deep & Deep Publications Pvt.Ltd, 1999.
Dyfyniad MLAGedam,Ratnakar. Techno-economics of Steel Plants. Deep & Deep Publications Pvt.Ltd, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.