Assessment of natural radioactivity levels in stony sand from Black Stone Beach of Kuantan, the Peninsular MalaysiaM.U. Khandaker, N.N. Garba, C.A.H.b.C. Rohaizad and D.A. BradleyRadioprotection, 54 3 (2019) 211-218DOI: https://doi.org/10.1051/radiopro/2019024