Hasan M, Matin M. Approximate Solution of Nonlinear Integral Equations of the Second Kind by Using Homotopy Perturbation Method. Dhaka Univ. J. Sci. [Internet]. 2017 Jul. 5 [cited 2024 Aug. 17];65(2):151-5. Available from: https://banglajol.info/index.php/DUJS/article/view/54527