by 정종식(Jong Sik Jeong)
Published in Daehan hwan'gyeong gonghag hoeji (2016)

by Kwak, Bu Ho, Park, Jungdeok, Yoon, Heechul, Kim, Hyeon Hui, Kim, Lim, Chung, Jong Shik
Published in The Korean journal of chemical engineering (01.01.2014)

by Wang, Qiang, Sohn, Ji Hyang, Park, So Ye, Choi, Jin Seong, Lee, Joo Young, Chung, Jong Shik
Published in Journal of industrial and engineering chemistry (Seoul, Korea) (01.01.2010)

by 정종식, 권남희, 전가원, 신종범
Published in Perinatology (Online) (01.12.2013)

by 정종식, Byoung-Gi Park
Published in The Korean journal of chemical engineering (01.05.2006)

by 이정은, 정종식, 전가원, 신종범
Published in Perinatology (Online) (30.06.2014)

by 정종식, Lee Bolyun, 전가원, 이지훈, 신종범
Published in Journal of the korean child neurology society (01.09.2014)

by 정종식, 최진성, 양경식, Jie Yao, Dezhi Sun
Published in The Korean journal of chemical engineering (01.11.2006)

by 전인수, 정종식
Published in Asia Marketing Journal (Online) (2003)

by 송영심, 장진욱, 정종식, 안태준, 조주완
Published in 한국컴퓨터정보학회논문지, 22(4) (01.04.2017)

by 정종식(Jong Sik Jung,), 이지훈(Ji Hoon Lee), 전가원(Ga Won Jeon), 신종범(Jong Beom Sin), 이보련(Bo lyun Lee)
Published in Annals of Child Neurology(구 대한소아신경학회지) (31.12.2014)

by 정종식(Jeong, Jong-Sik), 김현지(Kim, Hyun-Jee)
Published in 대한경영학회지 (01.10.2009)

by Yeongsim, Song(송영심), Jinwook, Jang(장진욱), Jongsik, jeong(정종식), Taejoon, Ahn(안태준), Joowan, Joh(조주완)
Published in 韓國컴퓨터情報學會論文誌 (2017)

by 정종식(Jeong, Jong-sik), 김현지(Kim, Hyeon-jee)
Published in 대한경영학회지 (01.12.2006)