by 정상조
Published in 충청수학회지, 32(4) (01.11.2019)

by 정상조
Published in 충청수학회지, 30(4) (01.11.2017)

by 정상조, Kang Moon Chun
Published in 충청수학회지, 33(4) (01.11.2020)

by 김홍현, 정상조
Published in 한국수처리학회지, 26(5) (31.10.2018)

by Chung, Sang-Cho
Published in Journal of the Chungcheong Mathematical Society (15.02.2016)

by Lee, Yong Seok, Kim, Hun, Seo, Tae Hoon, Park, Ah Hyun, Lee, Seul Be, Chung, Sang Jo, Choi, Chel-Jong, Suh, Eun-Kyung
Published in Electronic materials letters (01.09.2013)

by 김용대, Yongdai Kim, 정상조, Sang Jo Jong, 장원철, Woncheol Jang, 이종수, Jongsu Lee
Published in Ŭngyong tʻonggye yŏnʼgu (2016)

by Chung, Sang-Cho
Published in Journal of the Chungcheong Mathematical Society (15.05.2014)

by Chung, Sang-Cho
Published in Journal of the Chungcheong Mathematical Society (15.11.2013)

by Chung, Sang-Cho
Published in Journal of the Chungcheong Mathematical Society (15.11.2013)

by 박종성(Jong Sung Park), 박소영(So Young Park), 오재일(Jei Ll Oh), 정상조(Sang Jo Jeong), 이민주(Min Ju Lee), 허남국(Nam Guk Her)
Published in Daehan hwan'gyeong gonghag hoeji (2009)

by LEE, SANG CHEOL, KIM, SUNAH, CHUNG, SANG-CHO
Published in Journal of the Korean Mathematical Society (01.09.2005)

by 정상조, 박중수
Published in 韓國學校數學會論文集 (2003)

by 정상조, 이철갑, 류소연, 김기순, Jung, S.J, Lee, C.G, Ryu, S.Y, Kim, K.S
Published in Tuberculosis and respiratory diseases (2001)

by 정상조, Jeong Sang Jo, 이철갑, Lee Cheol Gab, 류소연, Lyu So Yeon, 김기순, Kim Gi Sun
Published in Tuberculosis and respiratory diseases (30.11.2001)

by 박중수, 정상조
Published in 韓國學校數學會論文集 (30.09.2009)

by 정상조
Published in Taehan Hyungbu Oekwa Hakhoe chi (1991)

by 정상조, 안재호, 오성태, Jeong, Sang-Jo, An, Jae-Ho, O, Seong-Tae
Published in Taehan Hyungbu Oekwa Hakhoe chi (1991)