Kokkeadtikul, C. (2019) “Directions and challenges in the negotiation of the Telecom Trade in Services Agreement (TiSA) the digital economy era”, Journal of Digital Communications. Bangkok, Thailand, 3(1), pp. 328–349. available at: https://so04.tci-thaijo.org/index.php/NBTC_Journal/article/view/212377 (accessed: 1 September 2026).