Langa, H., T. Auwal, A. Auta, and O. Jimoh. “Determination of Gross Alpha and Beta Activity in Water: (A Case Study of Gombe Metropolis)”. Journal of Basic and Applied Research in Biomedicine, vol. 2, no. 4, Mar. 2022, pp. 541-4, https://jbarbiomed.com/index.php/home/article/view/129.