M. Ferdows, Zavid Iqbal Bangalee, Ashish Barmon, and Raushan Ara Quadir . “Steady Free Convection Boundary Layer Flows at a Vertical Plate With Variable Fluid Properties”. Journal of Modern Mechanical Engineering and Technology, vol. 4, Apr. 2017, pp. 20-26, doi:10.15377/2409-9848.2017.04.01.02.