Sirait, Jemima Netanya, author
Fakultas Psikologi Universitas Indonesia, 2023
UI - Skripsi (Membership)
Friedman, Myles T., author
Praeger, 1991
Buku Teks
Stefanus Pandu Dhirabrata, author
Fakultas Psikologi Universitas Indonesia, 2024
UI - Skripsi Membership
Dzaky Muhammad Daris, author
Fakultas Psikologi Universitas Indonesia, 2024
UI - Skripsi Membership
Schunk, Dale H., author
Prentice-Hall, 1996
Buku Teks