Unamuno, Miguel de, 1864-1936
Dover, 1945
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Ikeda, Daisaku, 1928-
Middleway Press, 2000
Buku Teks SO
Renie Kumalasari Prayitno
Fakultas Ilmu Keperawatan Universitas Indonesia, 2023
UI - Tesis Membership
Steel, Danielle
Sphere Books, 1991
Buku Teks SO
Ghea Farassania
Fakultas Psikologi Universitas Indonesia, 2020
UI - Skripsi Membership