U. Afzal, C. Merten, and M. Aleysa. 22.11 - 23.11.2017, Babol, Iran, (2017)ICHMT2017, 22.11 - 23.11.2017, Babol Noshirvani University of Technology, Babol, Iran.
U. Afzal, N. Akbary, and J. Rudyk. (2015)Poster, 6. Fachkolloquium Effiziente und Schadstoffarme Verbrennungstechnologien für Biomasse, 12.05.2015, Stuttgart.
U. Afzal, and C. Merten. (2018)Presentation, 4th International Conference on Sustainability in Process Industries, 24.10. – 25.10.2018, Peshawar, Pakistan.