Bevaola Kusumasari, author
universitas gajah mada, faculty of social and political sciences, 2015
Artikel Jurnal
Zastrow, Charles, author
Buku Teks
Zastrow, Charles, author
Brooks/Cole, 1996
Buku Teks
Hans-Werner Franz, editor
[, Springer], 2012
eBooks
Molander, Earl A.
McGraw-Hill, 1980
Buku Teks