A. O. Mustapha, P. E. Biere, A. E. Ajetunmobi, and J. O. Aina, “Applying in-Situ and Laboratory-based Gamma Spectrometry to Determine Activity Concentration and Distribution of 40 K, 226 Ra and 232 Th in Abeokuta, Southwest Nigeria”, JJP, vol. 14, no. 4, Apr. 2025.