by Soonduck Yoo
Published in International Journal of Advanced Culture Technology(IJACT) (31.03.2020)

by Soonduck Yoo
Published in International Journal of Advanced Culture Technology(IJACT) (31.03.2020)

by 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (28.02.2025)

by 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (30.04.2024)

by 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (28.02.2023)

by 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (30.04.2022)

by 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (28.02.2021)

by 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (31.10.2020)

by Ok, Jin A., Yoo, Soonduck
Published in Spatial information research (Online) (01.04.2017)

by 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (30.04.2020)

by 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (31.10.2019)

by 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (30.06.2019)

by 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (30.04.2018)

by 옥진아, 유순덕, 정효진
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (28.02.2025)

by 유순덕, 이현주, 황지원
Published in The Journal of Transdisciplinary Studies, 6(1) (01.04.2022)

by 옥진아, 유순덕, 정효진
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (29.02.2024)

by 옥진아, 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (31.12.2021)

by 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (31.08.2016)

by 유순덕
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (30.04.2016)

by 옥진아, 유순덕, 정효진
Published in The journal of the institute of internet, broadcasting and communication : JIIBC (30.06.2023)