Singarimbun, Masri, author
Ghalia Indonesia, 1986
Buku Teks
Jihan Oktary, author
2007
UI - Tesis (Membership)
R. Cecep Eka Permana, 1965-, author
Lembaga Penelitian Universitas Indonesia, 1996
UI - Laporan Penelitian
oleh Indria Samego [and others]
Mizan, 1998
Buku Teks
Nasution, Adnan Buyung, 1934-, author
Pustaka Sinar Harapan, 1992
Buku Teks