Revankar, Ratna G., author
Fair Dickinson University Press, 1971
Buku Teks
Arrum Dyah Aprilriana, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
UI - Tesis (Membership)
1999
Multimedia
Artikel Jurnal
Wharton, Edith, author
D. Appleton-Century, 1934
Buku Teks