AUWAL AHMAD , MUSA, and BALA BELLO WANAH. 2023. “DETERMINATION OF THE DRAINAGE DENSITY OF RIVER RIYADH BASIN IN AKKO LOCAL GOVERNMENT AREA OF GOMBE STATE, NIGERIA”. BIMA JOURNAL OF SCIENCE AND TECHNOLOGY (2536-6041) 7 (01):230-43. https://doi.org/10.56892/bima.v7i01.402.