Simanjuntak, Melvin M., author
Universitas HKBP Nonmensen, 2017
Artikel Jurnal
Ismail Suny, author
Aksara Baru, 1978
Buku Teks
Ismail Suny, author
Aksara Baru, 1980
Buku Teks
Ismail Suny, author
Aksara Baru, 1984
Buku Teks
Ismail Suny, author
Aksara Baru, 1987
Buku Teks