K. Sugantha Devi, H. T. Rathod,*, K.V.Vijayakumar A. S. Hariprasad. 2016. “Gauss Legendre Quadrature Formulas for Polygons by Using a Second Refinement of an All Quadrilateral Finite Element Mesh of Triangular Surfaces”. International Journal of Engineering and Computer Science 5 (6). india. http://ijecs.in/index.php/ijecs/article/view/2024.