campaign against drugs in August 2016. The CPP has vowed to continue operations, independent from the government's anti-drug campaign, againstdrug suspects
(原始内容存档于2007-06-09). Thornton, Mark. The Economics of Prohibition. [2021-06-02]. (原始内容存档于2009-05-03). The economic costs of drug abuse in the United States (PDF). [2021-06-02]