“OMNICHANNEL OF PRIVATE LABEL GROCERY PRODUCTS IN TESCO AND CARREFOUR RETAIL CHAINS ON THE POLISH MARKET”. Ekonomski Vjesnik Econviews - Review of Contemporary Business, Entrepreneurship and Economic Issues, vol. 33, no. 1, June 2020, pp. 191-02, https://ojs.srce.hr/index.php/ekonomski-vjesnik/article/view/10500.