F.X. Sigit Eko Widyananto, author
1988
UI - Skripsi (Membership)
Naniek D. Handayani, author
2001
UI - Skripsi (Membership)
Indra Gunawan, author
2004
UI - Skripsi (Membership)
Fakultas Psikologi Universitas Indonesia, 2004
UI - Skripsi (Membership)
Seta Ariawuri Wicaksana, author
2004
UI - Skripsi (Membership)