Silaban, K. Romeo P., author
Universitas Indonesia, 2004
UI - Skripsi (Membership)
Teuku Adhika Mulya, author
2009
UI - Skripsi (Open)
Rike Permata Sari, author
Fakultas Psikologi Universitas Indonesia, 1998
UI - Skripsi (Membership)
Bimala Dewi Irzani, author
Fakultas Psikologi Universitas Indonesia, 1998
UI - Skripsi (Membership)
Teguh Purwo Nugroho, author
2003
UI - Skripsi (Membership)