กำแพงเพชร ม., and ธรรมอภิพล ส. “Environmental Management For Sustainable Development based On Projects Initiated By His Majesty King”. Business Administration and Management Journal Review, vol. 9, no. 2, Dec. 2017, pp. 191-00, https://so01.tci-thaijo.org/index.php/bahcuojs/article/view/117923.