1. Asian Barometer Survey. (2018). Trust in Institutions, Philippines, 2002–2018.
2. Kishi R., Buenaventura T. (2021). The drug war rages on in the Philippines: New data on the civilian toll, state responsibility, and shifting geographies of violence. Armed Conflict and Location and Event Data Project. Retrieved October 2023, from https://acleddata.com/2021/11/18/the-drug-war-rages-on-in-the-philippines-new-acled-data-on-the-civilian-toll-state-responsibility-and-shifting-geographies-of-violence/
3. Amnesty International. (2017). “If You Are Poor, You Are Killed”: Extrajudicial executions in the Philippines’ “War on Drugs.” Retrieved October 2023, from https://www.amnestyusa.org/reports/if-you-are-poor-you-are-killed-extrajudicial-executions-in-the-philippines-war-on-drugs/
4. Amnesty International. (2019). “They Just Kill”: Ongoing extrajudicial executions and other violations in the Philippines’ “War on Drugs.” Retrieved October 2023, from https://www.amnesty.org/en/documents/asa35/0578/2019/en/#:~:text=They%20just%20kill'.Ongoing%20extrajudicial%20executions%20and%20other%20violations%20in%20the%20Philippines'%20'war,are%20poor%20and%20marginalised%20people