J.-H. Yoon, Y.-T. Shin, and J.-B. Kim, “A Study on the Information Security Management Index through Analysis of EU-GDPR (European Union-General Data Protection Regulation)”, IJET, vol. 8, no. 1.4, pp. 507–517, Jan. 2019, doi: 10.14419/ijet.v8i1.4.25462.