มูลรัตน์ ท. (2022) “Learning management of Historical site reservation law in awareness raising of Chiangsaen municipality area youth Chiangrai province”., CRRU Law, Political Science and Social Science Journal, 6(2), pp. 165–183. available at: https://so06.tci-thaijo.org/index.php/lawcrru/article/view/250281 (accessed: 21 September 2026).