Metheechutikul, C. (2019) “Fundamental Rights and Constitutional Principle: Böckenförde’s Idea on Fundamental Rights”, Journal of Social Sciences Naresuan University, 15(1), pp. 15_61–82. available at: https://so04.tci-thaijo.org/index.php/jssnu/article/view/201339 (accessed: 12 September 2026).