by 정지언(Jieon Jeong)
Published in 교양교육연구 (30.06.2024)

by 곽은주(Kwak, Eunju), 정지언(Jeong, Jieon)
Published in 교양교육연구 (31.12.2022)

by YoungHwan Kim, 정지언, 홍경희
Published in Journal of Research in Curriculum Instruction (01.12.2007)

by 김영환, 홍경희, 정지언
Published in 교과교육학연구, 11(2) (01.12.2007)

by 김영환, 홍경희, 정지언
Published in 교과교육학연구 (01.12.2007)