Columbia subject headings:
Forced labor--Prevention--International cooperation.
Kidnapping--Prevention--International cooperation.
Prostitution--Prevention--International cooperation.
Harvard subject headings:
Forced labor--Prevention--International cooperation.
Kidnapping--Prevention--International cooperation.
Prostitution--Prevention--International cooperation.
Princeton subject headings:
Forced labor--Prevention--International cooperation.
Kidnapping--Prevention--International cooperation.
Prostitution--Prevention--International cooperation.