Higgins, Hugh
Vietnam
Heinemann Educational, 1975
Buku Teks
Frey, Katherine Stenger
Journey to the land of the earth goddess
Gramedia, 1986
Buku Referensi
Frey, Katherine Stenger
Journey to the land of the earth goddess
Gramedia, 1986
Buku Teks SO
Frey, Katherine Stenger
Journey to the land of the earth goddess
Gramedia, 1986
Buku Teks SO
Catt, Ivor
Computer worship
Pitman, 1973
Buku Teks