Artikel Jurnal
Yusrini, author
Fakultas Ilmu Keperawatan Universitas Indonesia, 2004
UI - Tugas Akhir
Siahaan, Lintong Oloan, author
Ghalia Indonesia, 1981
Buku Teks
Siahaan, Lintong Oloan, author
Ghalia Indonesia, [date of publication not identified]
Buku Teks
Endang Rokhani, author
Universitas Indonesia, 2006
UI - Tesis (Membership)