Armenia invited to 3+3 format meeting in Tehran - Tehran Times

Tehran ready to host 3+3 meeting with Baku, Yerevan presence - Mehr News Agency

Meeting of foreign ministers in '3+3' format kicked off in Tehran

Iranian FM: Tehran Welcomes Peace Talks Between Armenia And Azerbaijan, 3+3 Format - Iran Front Page

Meeting of FMs within 3+3 format kicks off in Tehran -UPDATED

Iran ambassador to Russia: South Caucasus stability, security are on 3+3 meeting agenda

Iranian transport minister visits Armenia to pursue expansion of ties - Tehran Times

Armenian FM to participate in 3+3 meeting in Tehran – Public Radio of Armenia

Unblocking regional infrastructures, construction of North-South highway and bilateral projects: Armenia and Iran discussed cooperation

PM Pashinyan highlights regional 3+3 format meetings

The Supremacy of the Hawks in Iran's Azerbaijan Policy

Russia says discussions during South Caucasus meeting in Tehran 'in-depth, productive

For us, the indivisibility of our state border with Iran is not subject to dispute; Mirzoyan

Azerbaijani FM attends first 3+3 format ministerial meeting in Tehran - AZERTAC

India, Iran, Armenia form trilateral grouping, 1st round of talks focuses on economic issues, communication

Mirzoyan to Take Part in '3+3' Meeting in Tehran Tomorrow –