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 [Internet]. 2024 Sep. 14 [cited 2024 Sep. 19];4(3):51-68. Available from: https://ojs34.fimagis.pl/index.php/demo/article/view/606