Ghosh A, Maitra S, Chowdhury AR. Perturbation Solution to Modified Nonlinear Schrödinger Equation Based on Slowly Varying Envelope Approximation. JAND [Internet]. 2026 Aug. 17 [cited 2026 Aug. 17];13(2):203-10. Available from: https://lhscientificpublishing.com/index.php/jand/article/view/418