2022 Spring Conference of Korean Society of Quality Management, 2020-07-06
2021 Spring Conference of Korean Society of Quality Management, 2020-07-06
2021 Fall Conference of Korean Society of Quality Management, 2021-10-29
2021 Spring Conference of Korean Society of Quality Management, 2021-05-21
2021 Spring Conference of Korean Society of Quality Management, 2021-05-21