So, Chong-in, 1936-
Malttuk
Chakka Chongsin, 2004
 Buku Teks
Pak, En-bong
Omma ui yok sa pyonji 1-2
Korea Ungin, 2002
 Buku Teks
Piles and foundations
edited by F.E. Young
Thomas Telford, 1981
 Buku Teks
Kim, Sang Bok
Omma, hindelten urodo gwonchana
21 Segibooks, 2009
 Buku Teks
Simatupang, Ramadona
Efek shielding piles terhadap perilaku passive piles = Effects of shielding piles on behavior of passive piles / Simatupang, Ramadona
2010
 UI - Skripsi (Open)