Mulder, Niels, author
Gadjah Mada University Press, 1973
Buku Teks
Mulder, Niels, author
Gadjah Mada University Press, 1986
Buku Teks
Mulder, Niels, author
Gadjah Mada University Press, 1986
Buku Teks
Mulder, Niels, author
Gadjah Mada University Press, 1986
Buku Teks
Hutauruk, Indah S., author
Fakultas Psikologi Universitas Indonesia, 2002
UI - Tesis (Membership)