Sowole, O., and O. M. Ehindero. “Radiological Assessment of Some Foodstuffs from Major Markets at Sagamu in Ogun State Southwest of Nigeria”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 34, no. 3, July 2017, pp. 242-6, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7633.