F. Gasimov, A, and R R. Barkhalov. “Improving of the Working Body’s Screws Joining Elements Digging-Filling Piles”. International Journal of Engineering & Technology 7, no. 3.2 (June 20, 2018): 128–130. Accessed November 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/14388.