I., O. B., O. A. I., A. B. C., and O. U. C. “Effects of Varying Spray Pyrolysis Parameters on the Microstructure of Solid Oxide Fuel Cell Cathodes”. The International Journal of Science & Technoledge, vol. 4, no. 7, July 2016, http://internationaljournalcorner.com/index.php/theijst/article/view/123939.