Fractional Derivative Effects on Exploration of Soliton Solutions of (3 + 1)-D Kadomtsev-Petviashvili-Sawada-Kotera-Ramani Model Using Modified Extended Direct Algebraic Approach. Contemp. Math. [Internet]. 2025 Aug. 25 [cited 2025 Dec. 24];6(4):5346-67. Available from: https://ojs353.mebyme.cn/index.php/CM/article/view/7594