Siagian, Sondang P., author
Bumi Aksara, 2008
Buku Teks
Yun Iswanto, author
Universitas Terbuka, 2016
Buku Teks
Dessler, Gary, 1942-, author
Indeks, 2016
Buku Teks
Dessler, Gary, 1942-, author
Indeks, 2016
Buku Teks
Siagian, Sondang P., author
Bumi Aksara, 2001
Buku Teks