1. Maps, charts: The death toll of the war on drugs;ABS-CBN Investigative and Research Group,2016
2. Mexico: Death toll from drug-related violence is thousands higher than was reported earlier;Agren,2010
3. As death toll rises, Duterte deploys dubious data in ‘war on drugs’;Baldwin,2016
4. Police rack up almost perfect deadly record in Philippines drug war;Baldwin,2016
5. Drug war stories and the Philippine president;Barrera;Asian Criminology,2017