edited by Patrick Brouder ... [and others]
Routledge, 2017
Buku Teks SO
Universitas Pancasila. Fakultas Pariwisata, {s.a.}
Majalah, Jurnal, Buletin
Riska Inki Fitria, author
[Publisher not identified], 2016
Artikel Jurnal
edited by Metin Kozak, Juergen Gnoth and Luisa Andreu
Routledge, 2010
Buku Teks SO
Benjamin Abdurahman, author
Kementerian Dalam Negeri RI, 2017
Artikel Jurnal