Samuel Kristanto Utomo, author
Prasetiya Mulya Business School, 2015
Artikel Jurnal
Artikel Jurnal
Lejeue, Philippe
University of Minnesota Press, 1989
Buku Teks
Crawley, John
Nicholas Brealy, 2007
Buku Teks
Reece Thomas, Katherine
LexisNexis , 2014
Buku Referensi