Arinze, R., P. Chris-Okafor, N. Okoye, and C. Iziga. “Reducing the Flammability of Gmelina Arborea Wood Using Flame Retardants”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 57, no. 1, July 2019, pp. 53-61, https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/4964.