Columbia subject headings:
Harvard subject headings:
Coca industry--Andes Region--Econometric models.
Cocaine industry--Andes Region--Econometric models.
Drug control--Andes Region--Econometric models.
Drug control--International cooperation--Econometric models.
Princeton subject headings:
Coca industry--Andes Region--Econometric models.
Cocaine industry--Andes Region--Econometric models.
Drug control--Andes Region--Econometric models.