by Jo, Kwang-Ho, Jeong, Yeon-Seong, Lee, Jae-Hak, Lee, Seok-Hee
Published in International journal of precision engineering and manufacturing (01.11.2016)

by 정윤지, 정연성, 김영한
Published in Perinatology (Online) (01.12.2021)

by Shin, Jae Jun, Jeong, Yeonseong, Nho, Eunjee, Jee, Byung Chul
Published in Obstetrics & gynecology science (01.07.2018)

by 정연성, Yeon-sung Jung, 석진수, Jin Su Suk, 강성기, Seoung Ki Kang
Published in Ch'eyuk kwahak yŏn'gu (30.06.2024)

by 정연성, 최휴진, 권영민
Published in Neurospine (01.03.2012)

by Jung, Yeon-Seong, Song, Young-Jin
Published in Journal of Korean Neurosurgical Society (01.04.2012)

by 정연성(Yeon-Sung JUNG), 석진수(Jin Su SUK), 강성기(Seoung Ki KANG)
Published in 한국체육측정평가학회지 (01.12.2023)

by 최형준, Hyong Jun Choi, 정연성, Yeon Sung Jung, 고병구, Byoung Goo Kob
Published in Ch'eyuk kwahak yŏn'gu (30.09.2009)

by 홍성진, 최형준, 정연성
Published in 한국체육측정평가학회지, 16(2) (01.08.2014)

by 정연성(Yeon Sung Jung), 유영규(Young Kyu Yu), 홍성진(Seong Jin Hong)
Published in 한국체육측정평가학회지 (01.08.2015)

by 최형준(Hyong Jun Choi), 정연성(Yeon Sung Jung)
Published in 한국체육측정평가학회지 (01.12.2010)

by 김태완(Tae Wan Kim), 박태성(Tae Sung Park), 정연성(Yeon Sung Jung), 강영진(Young Jin Kang), 이택홍(Taeck Hong Lee)
Published in 한국수소 및 신에너지학회 논문집 (2014)

by 홍성진(Seong Jin Hong), 최형준(Hyong Jun Choi), 정연성(Yeon Sung Jung)
Published in 한국체육측정평가학회지 (2014)