J. A. Ocheje and M. Ayuk, Trans., “Concentrations, Source Apportionment, and Non-Carcinogenic/Carcinogenic Health Risk Assessment of Heavy Metals in Classroom Settled Dust at Federal University Wukari, Taraba State, Nigeria”, njap, vol. 2, no. 2, pp. 110–121, Jun. 2026, doi: 10.62292/njap-v2i2-2026-42.