Stinky Wijaya
Fakultas Psikologi Universitas Indonesia, 2023
UI - Skripsi (Membership)
Florentina Elana Puspita
Fakultas Psikologi Universitas Indonesia, 2023
UI - Skripsi Membership
Flavell, John H.
Prentice-Hall, 1993
Buku Teks
Best, John B.
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Buku Teks
edited by George Houghton
Psychology Press, 2005
Buku Teks