Alam Md. M., Alim M. A., and Chowdhury Md. M. K. “Free Convection from a Vertical Permeable Circular Cone With Pressure Work and Non-Uniform Surface Temperature”. Nonlinear Analysis: Modelling and Control 12, no. 1 (January 25, 2007): 21-32. Accessed November 29, 2022. https://www.journals.vu.lt/nonlinear-analysis/article/view/14719.