T., Kirgizov X., and Abdukaxarov A. “Study of the Movement of Soil Particles Along the Working Surface of a Spherical Disc”. International Journal of Discoveries and Innovations in Applied Sciences 1, no. 5 (October 27, 2021): 288–294. Accessed December 25, 2024. https://oajournals.net/index.php/ijdias/article/view/479.