훈
한국전통지식포탈 http://www.koreantk.com/ktkp2014/craft/craft-view.view?craftCd=ktc001340
한국민족문화대백과 http://encykorea.aks.ac.kr/Contents/Item/E0065782
국립국악원 악기실 훈(동영상) 2019. 8. 2. https://www.youtube.com/watch?v=Bxz_Z0bLL_Q
훈 / YTN 2016. 5. 11. YTN NEWS https://www.youtube.com/watch?v=SSgjYdz9Hyc