Mamun, M. A. H. A. H., Md. T. T. Islam, and Md. M. M. Rahman. 2010. “Natural Convection in a Porous Trapezoidal Enclosure With Magneto-Hydrodynamic Effect”. Nonlinear Analysis: Modelling and Control 15 (2): 159-84. https://doi.org/10.15388/NA.2010.15.2.14352.