D. ALIYU, MBAYA L. A., I. KIM, and I. ABDULKADIR, “THE ECONOMICS OF GULLY EROSION CONTROL: A REVIEW OF COST-BENEFIT ANALYSIS APPLICATION IN GULLY CONTROL PROJECT PLANNING IN GOMBE METROPOLIS”, SJMSCD, vol. 8, no. 7, Jul. 2025, doi: 10.70382/sjmscd.v8i7.032.