nkhanthachai nattabhol. Abbot, George et.al. (2012). The Economics Book. London: Darling and Kindersley Limited. (351pp.). JKBU [Internet]. 2016 Dec. 30 [cited 2024 May 5];17(2):237-40. Available from: https://so04.tci-thaijo.org/index.php/jkbu/article/view/73740