A. Chafai and K. Taghouti, “GIS-BASED ASSESSMENT OF THE PHYSICAL EROSION SUSCEPTIBILITY USING RAINFALL EROSIVITY (R) AND TOPOGRAPHIC FACTOR (LS): CASE OF THE SILIANA RIVER WATERSHED, NORTH-WESTERN TUNISIA”, GIS Odyssey, vol. 6, no. 1, pp. 63–77, May 2026.