Abdullah N. Olimat and  Ahmad S. Awad and  Faisal M. AL-Ghathian,  Effect of Fire Retardant Painting Product on Smoke Optical Density of Burning Natural Wood Samples.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2017, vol. 129(9). 1028 - 1037
    [viewed 11 May 2021]. Available from: https://publications.waset.org/pdf/10008005.