How to Effectively Build Marketing in the Digital Era EconomiesAkmaral Orazymbetova, Berik Bekmurzayev, Akmaral Kazykeshvova, Svetlana Faizullina and Asel KogabayevaE3S Web Conf., 159 (2020) 04026DOI: https://doi.org/10.1051/e3sconf/202015904026
