Dimitar Tyulekov Affiliation South-West University Neofit Rilski – Blagoevgrad Email dtyulekov@law.swu.bg ORCID https://orcid.org/0000-0002-0862-805X Articles by this author A centeniary since the Petrich Border Incident: on the lessons from the national problems in the Bulgarian-Greek relations Macedonian Review, vol. 49 (2026), No 1 pages 107–118