Nur Fathonah, author
2013
UI - Skripsi (Membership)
Thurston, Phillip H., author
Harvard University, 1959
Buku Teks
Davis, Keith, 1918-, author
McGraw-Hill, 1972
Buku Teks
Davis, Keith, 1918-, author
McGraw-Hill, 1984, c1972
Buku Teks
Oranti, Oscar A.
American management Associations , 1982
Buku Teks