1. ArmenPress. 2021 June 4. ‘Thunder- 2021’: CSTO Drills to Be Held in Armenia https://armenpress.am/eng/news/1054430.html
2. 24 Kyrgyzstan. 2021 April 30. “CSTO: Border Conflict Must Be Resolved Peacefully.” https://24.kg/english/192255_CSTO_Border_conflict_must_be_resolved_peacefully/.
3. Joining the club: explaining alliance preferences in the South Caucasus
4. Afghan Voices Agency. 2013 September 24. “CSTO to Help Tajikistan Strengthen Control of Its Common Border with Afghanistan.” https://avapress.com/en/180808/CSTO-to-help-Tajikistan-strengthen-control-of-its-common-border-with-Afghanistan.
5. Agence France Presse. 2021 April 29. “Kyrgyzstan Says Seized Tajik Border Post During Heavy Fighting.”