Lee, Kyeong-ja
Jeon tong han bok ei meot no ri gae
Ewhayeoja daehakgyo Chulpanbu, 2005
Buku Teks
Concise statistical yearbook of Poland 1974
CSOP, 1974
Buku Teks SO
Statistical yearbook = annuaire statistique = anuario estadistico 1989
UNESCO, 1989
Buku Referensi
Statistik Indonesia : statistical yearbook of Indonesia 2013
Indonesia. Badan Pusat Statistik
Badan Pusat Statistik, 2013
Buku Referensi
Lee, Sang-mun
Seoyereul ikerogal hankuk. Hankuk in
Mind Book, 2005
Buku Teks