Ahmad Muhidin, author
2004
UI - Skripsi (Membership)
Ratna Amijanti, author
Fakultas Psikologi Universitas Indonesia, 2000
UI - Tesis Membership
Artikel Jurnal
Sri Wulan, author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis Membership
Haryono Suyono, author
Yayasan Dana Sejahtera Mandiri, 2003
Buku Teks