In 1921 Kojoyan went to Tabriz, where the artist studied the culture of the ancient eastern country of Persia, and began to take an active part in the cultural life of the local Armenian community. Kojoyan gave lectures at the Art Studio organized by Alexander Tamanian. In 1922 he returned to the Armenian SSR.
In 1921, Kojoyan traveled to Tabriz to study the culture of ancient Persia and became actively involved in local Armenian cultural activities. He gave lectures at an Art Studio established by Alexander Tamanian. In 1922, he returned to the Armenian SSR.