Meeboon, P. and Athikomrattanakul, P. (2018) “Development of Coastal Shipping in the Gulf of Thailand by Delphi Technique”, NIDA Development Journal, 58(3), pp. 197–219. available at: https://so04.tci-thaijo.org/index.php/NDJ/article/view/163888 (accessed: 28 September 2026).