Muhammad Muhyidin, author
Diva Press, 2007
Buku Teks
Arnetta Auriella Ramadhani, author
Fakultas Psikologi Universitas Indonesia, 2022
UI - Skripsi (Membership)
Dian Wahyuningsih, author
2007
UI - Tesis (Membership)
Ary Ginanjar Agustian , author
Arga, 2005
Buku Teks
Kanter, Diandra Epifania, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Skripsi (Membership)