Farooq, M., A. Imran, S. Alam, S. F. Shaukat, and R. Farooq. “Thermal Barrier Coatings (TBC) for Energy Efficient Systems”. Journal of the Pakistan Institute of Chemical Engineers, vol. 43, no. 1, Feb. 2015, pp. 1-4, http://piche.org.pk/journal/index.php/jpiche/article/view/212.