Modulation instability, bifurcation analysis, and ion-acoustic wave solutions of generalized perturbed KdV equation with M-fractional derivative. - Alaoui, Mohammed Kbiri; Roshid, Md. Mamunur; Uddin, Mahtab; Ma, Wen-Xiu; Harun-Or-Roshid; Munshi, Mohammod Jahirul Haque (Scientific Reports, 2025)