Yudiyanto, Eko, I Nyoman Gede Wardana, Denny Widhiyanuriyawan, and Nurkholis Hamidi. 2020. “An Investigation of Granular Material Movement Due to Instability Post Impinging Upward Fluid”. Eastern-European Journal of Enterprise Technologies 5 (6 (107):66-75. https://doi.org/10.15587/1729-4061.2020.209933.