M.M.Uddin, et al., translators. “Assessment of the Activity Concentrations of the Naturally Occurring Radionuclides from the Samples Collected from the Different (CUFL & JFL) Urea Fertilizer Company Limited”. International Journal of Fundamental Physical Sciences, vol. 7, no. 3, Sept. 2017, pp. 25-29, https://doi.org/10.14331/ijfps.2017.330104.