Nicholas Danforth, Byline Times, A Fetih Accompli: How Erdogan Married Religion and Nationalism, 28 May 2023. “Erdogan has a particular flair for mixing and matching political symbols. He has embraced the Rabaa sign — a Muslim Brotherhood symbol denoting the Egyptian government’s massacre of supporters of the movement in Cairo’s Rabaa Square in August 2013 — at his rallies, but also insisted its four fingers represent the ideals of “one people, one flag, one country, one state.””
This is a detailed piece, with a wealth of detail (also a great title).