Robbaniyyah, Nuzla Af’idatur, and Irwan. 2022. “The Generalized Petviashvili Iteration Method for Determined Stationary Waves Solutions of Nonlinear Schrödinger Equations With Potential Function V(x)”. EIGEN MATHEMATICS JOURNAL 5 (2):47-53. https://doi.org/10.29303/emj.v5i2.146.