Vikramjeet Singh, Pankaj Kaushal, Monika Rani (2020) “Approximate Solution of Riccati Differential Equation using He’s Variational iteration Method ”, International Journal of Advanced Science and Technology, 29(4s), pp. 3581-3584. Available at: http://sersc.org/journals/index.php/IJAST/article/view/24407 (Accessed: 29September2022).