Goud, P. M., J. A. Nanware, T. L. Holambe, and N. B. Jadhav. “Approximate Method for Solving System of Linear Fredholm Fractional Integro-Differential Equations Using Least Squares Method and Lauguerre Polynomials”. Communications in Mathematics and Applications, vol. 14, no. 1, May 2023, pp. 459-70, doi:10.26713/cma.v14i1.2007.