Nabella Qisthina Laksita Dewi, author
2013
UI - Skripsi (Membership)
Artikel Jurnal
Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Pan Books, 1982
Buku Teks
Seelye, Elwyn E.
New York: John Wiley & Sons, 1954
Buku Teks
Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Harper & Row, 1945
Buku Teks