Akhter, Tahmina, and MA Alim. “Effects of Radiation on Natural Convection Flow Around a Sphere With Uniform Surface Heat Flux”. Journal of Mechanical Engineering 39, no. 1 (January 12, 2009): 50–56. Accessed October 25, 2025. https://www.banglajol.info/index.php/JME/article/view/1834.