Arendarenko, V., Antonets, A., Ivanov, O., Dudnikov, I., & Samoylenko, T. (2021). Building an analytical model of the gravitational grain movement in an open screw channel with variable inclination angles. Eastern-European Journal of Enterprise Technologies, 3(7 (111), 100–112. https://doi.org/10.15587/1729-4061.2021.235451