Rahmawati, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2013
UI - Tesis Membership
Ardi Saputra, author
Fakultas Psikologi Universitas Indonesia, 2022
UI - Skripsi (Membership)
Bernard, Miriam, author
Open University Press , 2000
Buku Teks
Malcolm Maclachlan
John Wiley & sons Ltd, 2000
Buku Teks
Rika Andri Yani, author
Fakultas Psikologi Universitas Indonesia, 2018
UI - Skripsi Membership