Prutchayawoot Thopan, Kittikun Pituprompun, Vishnu Thonglek and Vitsanusat Atyotha (2023) “Effects of Micro/Nano Bubble-Aeration Time on Removal of Rn-222 Contamination in Tap Water”, Science & Technology Asia, 28(2), pp. 43–52. available at: https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/249856 (accessed: 9 December 2025).