Phetchakun, Tonsakunwong. “ILLEGALITY OF INVESTMENTS AS A HOST - STATE ’S DEFENCE IN INVESTOR - STATE ARBITRATION”. Journal of MCU Nakhondhat 10, no. 12 (December 30, 2023): 185–196. Accessed November 1, 2024. https://so03.tci-thaijo.org/index.php/JMND/article/view/273969.