Пандурска, Р. (2020) „Communications in the Social Security Administrations as Part of the Measures of Corporate Social Responsibility in their Activity Optimization“, Научни трудове, (3), стр. 121–133. достъпен на: https://bjiep.e-dnrs.org/index.php/rp/article/view/5363 (отворен на: 22 Юли 2026).