“Trace Metals in Exchangeable Soil from the Oil Fields in Basrah Governorate, Iraq: Melacak Logam dalam Tanah yang Dapat Ditukar dari Ladang Minyak di Kegubernuran Basrah, Irak”, ijhsm, vol. 1, no. 3, p. 10.21070/ijhsm.v2i1.71, Jan. 2025, doi: 10.21070/ijhsm.v2i1.71.