Constantin, M. “The Ethno-Cultural Belongingness of Kalderash, Rudars, Tatars, and Turks in Romania and Bulgaria (1990-2012)”. Sociologie Românească, Vol. 12, no. 4, Feb. 2015, pp. 5-27, https://arsociologie.ro/revistasociologieromaneasca/sr/article/view/2014_4_constantin.