Islam, Md Shafiqul, and Goutam Saha. “Applications of Gauss-Radau and Gauss-Lobatto Numerical Integrations Over a Four Node Quadrilateral Finite Element”. Bangladesh Journal of Scientific and Industrial Research 43, no. 3 (September 16, 2008): 377–386. Accessed December 22, 2024. https://banglajol.info/index.php/BJSIR/article/view/1153.