Siagian, Sondang P., author
Bina Aksara, 1989
Buku Teks
Siagian, Sondang P., author
Rineka Cipta , 2004
Buku Teks
Siagian, Sondang P., author
Rineka Cipta , 1995
Buku Teks
Andhika Rifki Alfariz, author
Fakultas Ilmu Komputer Universitas Indonesia, 2023
UI - Skripsi Membership
Kurniawaty Yusuf, author
1998
UI - Tesis Membership