Rudawska E, Frąckiewicz E, Wiścicka-Fernando M. Socio-ecological innovations in marketing strategy – a comparative analysis of companies operating in Western European countries and Central-Eastern European countries. DEM [Prieiga per internetą]. 2018 m.rugsėjo30 d. [žiūrėta 2026 m.birželio20 d.];4(3):51-68. Adresas: https://ojs.fimagis.pl/index.php/demo/article/view/606