“Experimental Study of The Effect of Fuel Spray Angle on Emissions of pollutants from a continuous Combustion Process” (2021) Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), 41(3), pp. 319–332. doi:10.55562/jrucs.v41i3.190.