Artikel Jurnal
Amalia Cesarina Budiman, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Skripsi (Membership)
Dwi Maharatun Faikoh, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2020
UI - Skripsi (Membership)
edited by Leona Carpenter, Simon Shaw, Andrew Prescott
The British Library , 1998
Buku Teks
Khan, Humayun, author
Roli Book, 2004
Buku Teks