Chusway, Barry
Elex Media Komputindo, 1995
Buku Teks
Cushway, Barry
Elex Media Komputindo, 1995
Buku Teks
Miftah Thoha, author
Rajawali , 1983
Buku Teks
Miftah Thoha, author
Rajawali, 2009-2011
Buku Teks
Ghaisa Marin Hartono, author
Fakultas Psikologi Universitas Indonesia, 2020
UI - Tesis (Membership)