McKeown, Greg, author
Gramedia Pustaka Utama, 2022
Buku Teks
Annisa Putri Maharani, author
Fakultas Ilmu Adminstrasi Universitas Indonesia , 2020
UI - Skripsi (Membership)
Bimo Bramantyo, author
Fakultas Psikologi Universitas Indonesia, 2014
UI - Skripsi (Membership)
Saragih, Ruth Dwi Pratiwi, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2016
UI - Skripsi (Membership)
Antoni, author
2017
UI - Skripsi (Membership)