by 서혜진(Seo, Hye-Jin), 신정아(Jeong-Ah Shin)
Published in 영어학 (01.12.2020)

by 서혜진(Seo, Hye-Jin), 이종현(Jonghyun Lee), 신정아(Jeong-Ah Shin)
Published in 영어학 (01.12.2019)

by 문지선(Ji Sun Moon), 신정아(Jeong Ah Shin), 배지현(Gi Hyun Bae), 정성근(Sung Kun Chung)
Published in Daihan angwa haghoi jabji (30.11.2015)

by 이의태, Eui Tae Lee, 명윤원, Yoon Won Myong, 신정아, Jeong Ah Shin
Published in Daihan angwa haghoi jabji (15.07.1998)

by 유진성, Jin Seong Yoo, 신정아, Jeong Ah Shin, 허원, Warne Huh
Published in Daihan angwa haghoi jabji (15.05.1993)