Silalahi, Marulinda
Universitas Indonesia, 2006
UI - Tesis Membership
Panca Bhakti, 1995
Buku Referensi
Indonesia. Department of Manpower
The Bureau of Public Relations and International Cooperation. Departement of Manpower, 1998
Buku Referensi
Bhina Karya, 2005
Buku Referensi
Indonesia. Departemen Tenaga Kerja
Koperasi Pelita Departemen Tenaga Kerja RI, 1997
Buku Referensi