by 한덕현(Deok-Hyun Han), 고혁준(Hyeok-Jun Koh), 정항철(Hang-Chul Jung)
Published in Biuletyn Uniejowski (2022)

by 정항철(Hang-Chul Jung), 윤상민(Sang-Min Yun), 오상호(Sang-Ho Oh), 백창현(Chang Hyun Baeg), 공만식(Man-Sik Kong)
Published in Clean Technology, 27(4) (2021)

by 박일정(Il-Jeong Park), 김대원(Dae-Weon Kim), 김건홍(Geon-Hong Kim), 채홍준(Hong-jun Chae), 이상우(Sang-Woo Lee), 정항철(Hang-Chul Jung)
Published in Clean Technology, 23(3) (2017)

by 김대원(Dae-Weon Kim), 박일정(Il-Jeong Park), 김건홍(Geon-Hong Kim), 채병만(Byung-man Chae), 이상우(Sang-Woo Lee), 최희락(Hee-Lack Choi), 정항철(Hang-Chul Jung)
Published in Clean Technology, 23(2) (2017)