Nguyen, D.T. 2021. Optimization of the Possibility of Dropping Materials on the Flip-over Bridge for Cassava Roots with Lifting Capacity of 60-80 tons. JST: Engineering And Technology For Sustainable Development. 31, 5 (Nov. 2021), 24–30. DOI:https://doi.org/10.51316/jst.154.etsd.2021.31.5.4.