Khalifa, H. K., Al Jobory, H. J. and Al Ghalibi, S. M. (2025) “Proximity Matters: Spatial Gradient of Bacterial Pollution in Groundwater in the Vicinity of Al Amodi Cemetery in Dhamar City, Yemen”, Sana’a University Journal of Applied Sciences and Technology , 3(6), pp. 1378–1386. doi: 10.59628/jast.v3i6.2113.