Analysis of information sources in references of the Wikipedia article "Oleg Yesayan" in English language version.
{{cite web}}
: CS1 maint: archived copy as title (link)On January 8, 1992, Artur Mkrtchian was elected President and Oleg Yessaian as Prime Minister of Karabagh by Karabagh's Parliament.
{{cite web}}
: CS1 maint: archived copy as title (link)On January 8, 1992, Artur Mkrtchian was elected President and Oleg Yessaian as Prime Minister of Karabagh by Karabagh's Parliament.