@article{Singh_2019 author = {Sanjeeva Kumar Singh and Vineet Kumar Verma}, title = {FLOW IN A COMPOSITE POROUS CYLINDRICAL CHANNEL COVERED WITH A POROUS LAYER OF VARIABLE PERMEABILITY}, journal = {Special Topics & Reviews in Porous Media: An International Journal}, issn = {2151-4798}, year = {2019}, volume = {10}, number = {3}, pages = {291--303} }