“Mixed Quadrature Rule for Double Integrals of Simpsons 1/3rd and Gauss Legendre two Point Rule in two Variables” (2016) Global Journal of Science Frontier Research, 16(F1), pp. 31–37. Available at: https://www.journalofscience.org/index.php/GJSFR/article/view/1717 (Accessed: 5 February 2026).