SIMANAUSKAS, Leonas. Solutions of the Problems of Contemporary Business. Ekonomika, [S. l.], v. 71, p. 90–91, 2005. DOI: 10.15388/Ekon.2005.17526. Disponível em: https://www.zurnalai.vu.lt/ekonomika/article/view/17526. Acesso em: 7 may. 2025.