Veithzal Rivai Zainal, author
Rajawali, 2013
Multimedia
Veithzal Rivai Zainal, author
Rajawali, 2013
Multimedia
Veithzal Rivai Zainal, author
RajaGrafindo Persada, 2008
Buku Teks
Siagian, Sondang P., author
Gunung Agung, 1982
Buku Teks
Siagian, Sondang P., author
Haji Masagung, 1993
Buku Teks