Handbook of research on international advertising
Shintaro Okazaki, editor
Edward Elgar, 2012
 Buku Teks
Lamont, Christopher K., author
Research methods in international relations
Sage Publications Ltd., 2015
 Buku Teks
Transportation research an international journal
Elsevier scine publisher , 2018
 Majalah, Jurnal, Buletin
Trransportation research an international journal
Elsevier scine publisher , 2018
 Majalah, Jurnal, Buletin
Trransportation research an international journal
Elsevier scine publisher , 2018
 Majalah, Jurnal, Buletin