M.M. Haque, M.M.H. Miah, Masud Kamal, and A.K.M. Saiful Islam. “Determination of Activity Concentrations of the Naturally Occurring Radionuclides and the Dose Rates from the Samples Collected from the Chittagong Urea Fertilizer Limited (CUFL), Bangladesh”. The Global Environmental Engineers, vol. 3, no. 2, Dec. 2016, pp. 40-48, doi:10.15377/2410-3624.2016.03.02.1.