Hak Gobang

year of pub­li­ca­ti­onISBNauthor(s)title
2006978-89-6071-000-9Cho KyuikYeonhaengrok research series set (Korean edition)
  ''978-89-6071-001-6Cho Kyu-Ik · Lee Sung HoonResearch Record 1 (Korean Edition)
2012978-89-6071-259-1Oh KyungheeModern Chinese grammar (Korean edition)