Gordon, Thomas, author
Peter H. Wyden, 1975
Buku Teks
Fathia Afrazayne Safitri, author
Fakultas Psikologi Universitas Indonesia, 2023
UI - Tesis Membership
Gordon, Thomas, author
Gramedia Pustaka Utama , 1999
Buku Teks
Ghina Sonia Fauziah, author
2014
UI - Skripsi Membership
Wirza Feny Rahayu, author
Fakultas Psikologi Universitas Indonesia, 2019
UI - Tesis Membership