Talal Awwad, Serik Nurakov, Assel Tulebekova, Aliya Aldungarova, and Yelbek Utepov. “CALCULATION OF SOILS CUTTING FORCE BY KNIFE TYPE CUTTING ELEMENTS OF THE EARTHMOVING MACHINE”. GEOMATE Journal 19, no. 71 (July 30, 2020): 15–20. Accessed March 28, 2024. https://geomatejournal.com/geomate/article/view/719.