Ktalambula, H. 1999. The Effect of System and Oxygen Partial Pressure on Single Coal Particle Heterogeneous Ignition Temperature under Conditions of Negligible Convection; Experimental Observation. Tanzania Journal of Engineering and Technology. 23, 1 (Dec. 1999), 85-90. DOI:https://doi.org/10.52339/tjet.v23i1.292.