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WikiPedia: Jung_Jo-gook http://www.kleague.com/club/player?player=20030029 http://www.ligue1.com/autresCompetitions/coupeFran... http://www.ligue1.com/ligue1/article/jung-jo-gook-... http://www.ligue1.com/ligue1/feuille_match/53861 http://www.national-football-teams.com/player/1301... http://www.aja.fr/siteofficiel/article.asp?NUM=425... http://www.kfa.or.kr/record/playeramatch.asp?Page=... http://www.asnl.net/58/toute_l_actualite/actualite... https://static.fifa.com/fifa-tournaments/players-c... https://www.national-football-teams.com/player/130...