Application of the Sine-Gordon Expansion Method to Obtain Soliton Solution of the KdV and mKdV Equations. GANIT: J. Bangladesh Math. Soc. [Internet]. 2026 Jun. 28 [cited 2026 Jul. 1];46(01):47-5. Available from: https://banglajol.info/index.php/GANIT/article/view/89312