ABD RAHIM MOHAMED, CHE, NIOO SIEW YEW, MASNI MOHD ALI, and ZAHARUDIN BIN AHMAD. “Measurement Ratio of 226Ra 228Ra in Marine Samples Using The Cation Exchange Resin and Gross α Β Spectrometry”. Asian Journal of Chemistry 19, no. 2 (March 30, 2010): 1035–1044. Accessed July 5, 2024. https://asianpubs.org/index.php/ajchem/article/view/20155.