Prasong Kessaratikoon, Supphawut Benjakul and Suchin Udomsomporn (2007) “Distribution of Natural Radionuclides in Songkhla Beach Sands”, Agriculture and Natural Resources. Bangkok, Thailand, 41(5), pp. 157–164. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/244353 (accessed: 29 August 2026).