Open AccessCustomer Preferences with Regard to Correspondence from an Energy Company
Author(s) -
Grażyna Rosa
Publication year - 2021
Publication title -
european research studies
Language(s) - English
Resource type - Journals
ISSN - 1108-2976
DOI - 10.35808/ersj/2621
Subject(s) - originality , marketing , value (mathematics) , energy (signal processing) , sample (material) , business , qualitative research , advertising , sociology , computer science , mathematics , social science , statistics , chemistry , chromatography , machine learning