Muliyati, D., D. Sumardani, F. Bakri, H. Permana, E. Handoko, and N. L. Kartika Sari. “THE SIMULATION OF GRANULAR PARTICLE ON DRY AND MOISTURIZED POROUS HORIZONTAL SURFACES”. Spektra: Jurnal Fisika Dan Aplikasinya, Vol. 6, no. 1, Apr. 2021, pp. 71 -88, doi:10.21009/SPEKTRA.061.08.