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Rathod, H. T.; Islam, M.; Rathod, B.; Devi, K. S. Finit Element Solution of Poisson Equation over Polygonal Domains Using a Novel Auto Mesh Generation Technique and an Explicit Integration Scheme for Linear Convex Quadrilaterals of Cubic Order Serendipity and Lagrange Families. ijecs 2018, 7, 23329-23482.