Ruangsri, M. S., Kheawying, M. K. and Phetcharasri, M. P. (2013) “Appropriate technology for iron filtration from ground water”, Engineering and Applied Science Research, 28(2-3), pp. 73–80. available at: https://ph01.tci-thaijo.org/index.php/easr/article/view/6725 (accessed: 23 September 2026).