Gaya APA

Sultana, A. et al (2009). A new concept of combined NH3-CO-SCR system for efficient NO reduction in excess oxygen . London: Elsevier B.V..

Gaya MLA

Sultana, Asima. et al. "A new concept of combined NH3-CO-SCR system for efficient NO reduction in excess oxygen". London: Elsevier B.V., 2009. e-journal.