Ibrahim, R., Dauda, M. S., Igwemmar, N. C. and Abdu, B. (2024) “SEQUENTIAL EXTRACTION OF SELECTED HEAVY METALS IN THE SOILS OF ABUJA, NIGERIA”, FUDMA JOURNAL OF SCIENCES, 8(3), pp. 368 - 372. doi: 10.33003/fjs-2024-0803-2451.