Vizii za demografskija problem v Bălgarija sled 1990 g. pronatalizăm i socialna politika - Koceva, Tatjana; Dimitrova, Elica (Akad. Izdat. "Prof. Marin Drinov", 2014)
PST: Perspectives on the demographic problem in Bulgaria after 1990. - In kyrill. Schr., bulg. - Zsfassung in engl. Sprache