Sulistiasih, author
Fakultas Psikologi Universitas Indonesia, 2003
UI - Tesis (Membership)
Bodgan, Robert, author
Usaha Nasional, 1993
Buku Teks
Bodgan, Robert, author
Usaha Nasional, 1993
Buku Teks
Daru Indrawati I.S., author
1990
UI - Tesis (Membership)
Artikel Jurnal