M. James, P. Plenseh Diana, N. Kokolo, C. Sampson K. P., and K. J. Boima, “X-ray fluorescence spectrometric determination of heavy metals in selected rice samples sold on the Liberian market: a case study conducted in Paynesville City, Greater Monrovia”, IJBAS, vol. 9, no. 1, pp. 7–11, Feb. 2022, doi: 10.14419/ijbas.v9i2.30754.