Nayana Puengpan, Terdsak Subhasaram, Pongsiri Patcharapreecha and Hidenori Wada (1991) “Formation and Expansion of Salt Patches in the Paddy Field I. A Salinization Process Observed in the Field”, Agriculture and Natural Resources. Bangkok, Thailand, 25(4), pp. 469–476. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/242001 (accessed: 19 September 2026).