KS X ISO/IEC TR 20748-1:2021 Information technology for learning, education, and training —Learning analytics interoperability — Part 1: Reference model
2021KS X ISO/IEC TR 20748-1:2021 Information technology for learning, education, and training —Learning analytics interoperability — Part 1: Reference model
2018KS X ISO/IEC TR 20748-1:2018 Information technology for learning, education, and training — Learning analytics interoperability — Part 1: Reference model