FT.com / World / Europe - Human trafficking 'more hidden and better organised' since clampdown:
Frances Williams ;Kerin Hope
"A clampdown on human trafficking in south-east Europe has driven the problem underground rather than reduced it"
Trafficking in Human Beings in South Eastern Europe – 2004: Focus on Prevention - http://www.unicef.org/media/files/2004Focus_on_Prevention_in_SEE.pdf
