Ignatius Wursanto
Kanisius, 1992
Buku Teks
Manullang, M., author
Gadjah Mada University Press, 2001
Buku Teks
Manullang, M., author
Gadjah Mada University Press, 2001
Buku Teks
Flippo, Edwin B., author
Erlangga, 1990
Buku Teks
Flippo, Edwin B., author
Erlangga, 1990
Buku Teks