Volume 3 Number 1, 2015 Effect of Porous Medium on Unsteady Heat and Mass Transfer Flow of Fluid P.Biswas, A.K.Biswas, M.K.Das and A.Islam Pages 1-8 Download Adjacent Vertex Distinguishing (Avd) Edge Colouring of Permutation Graphs Suparna Jana Pages 9-23 Download Row and Column-Max-Average Norm and Max-Min Norm of Fuzzy Matrices Suman Maity Pages 25-39 Download Different Types of Product of Fuzzy Graphs Shovan Dogra Pages 41-56 Download