M. Venkateshwar Rao, Lokapavani, M. Pavan Kumar Reddy, and P. Raghavendra, “Onset of Internally Heated Convection in a Porous Layer With Variable Gravity: A Brinkmann Model”, Comm. Math. Appl., vol. 14, no. 5, pp. 1727–1737, Dec. 2023, doi: 10.26713/cma.v14i5.2073.