Na-Nakorn, U. and Tarnchalanukit, W. (1985) “Methods and Positions for Branding of Pla Duk Dan (Clan’as batrachus Linn.)”, Agriculture and Natural Resources. Bangkok, Thailand, 19(3), pp. 240–247. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/242449 (accessed: 18 September 2026).