Syrian and Armenian Christianity in Northern Macedonia from the Middle of the Eighth to the Middle of the Ninth Century

see the published text here https://www.academia.edu/39035560/Materials_in_Archaeology_and_History_of_Ancient_and_Medieval_Crimea._2018._No._10, 2019
Translatio urbis: Theodosiopolis (Karin, Erzerum) to the modern northern Macedonia.
Syrian and Armenian Christianity in highly organised form was presented in the Bulgarian kingdom before the 860s.