Jameel, A. T., Al-Qasaab, M. R. and Al-Naffakh, J. (2021) “Decorative Flame Behavior Study in Visualizing Wavelengths and Frequency: Ruben’s Tube Construction Experiment”, International Journal of Environment, Engineering and Education, 3(2), pp. 41–47. doi: 10.55151/ijeedu.v3i2.49.