Singh, Bibhu, and Rajani Dash. “Forming a Mixed Quadrature Rule Using an Anti-Lobatto Four Point Quadrature Rule”. Journal of Progressive Research in Mathematics 7, no. 3 (May 16, 2016): 1092-1101. Accessed April 30, 2025. http://www.scitecresearch.com/journals/index.php/jprm/article/view/610.