Cs-137 Radioactivity in Thai Seawater and Radiation Dose Assessment in Marine Biota Kongcharoen, V., Khrautongkieo, C., Nakkaew, N., Chuenbubpar, D., Chankum, P., Suwanklang, R. and Tumnoi, Y. Science, Technology and Innovation for Sustainable Seas, Bangkok, Thailand, 5-7 September 2022