[publisher not identified], [date of publication not identified]
Naskah
Ary Ginanjar Agustian, author
Arga Wijaya Persada, 2001
Buku Teks
Ary Ginanjar Agustian, author
ARGA, 2006
Buku Teks
Lembaga Penelitian Universitas Islam Djakarta , 1995
Buku Teks
Upik Rahmi, author
Fakultas Ilmu Keperawatan Universitas Indonesia, 2011
UI - Tesis (Open)