Snehlata Rathore, and Gajendra K. Saraswat. “Homotopy Perturbation Approach to the Solution of Non-Linear Burger’s Equation”. International Journal of Mathematics And Its Applications, vol. 6, no. 4, Dec. 2018, pp. 203-11, http://ijmaa.in/index.php/ijmaa/article/view/343.