K. Usman, S. Jabeen & M. Shahid. (2022). Floating Solid Particles Interacting with Tilted Square Obstacles in Fluid Affecting Drag Forces.
            <i>Advances in Applied Mathematics and Mechanics</i>. <i>15</i> (2).
            359-375.
         doi:10.4208/aamm.OA-2021-0064