Munonye , Kingsley O, et al. “ESTIMATION OF SOIL TO CASSAVA TRANSFER FACTOR OF SOME NATURAL RADIONUCLIDES IN FARMS AROUND THE SHORES OF ORASHI RIVER, SOUTHERN NIGERIA”. Advance Journal of Agriculture and Ecology, vol. 10, no. 4, Apr. 2025, pp. 39-59, https://aspjournals.org/Journals/index.php/ajae/article/view/1098.