Ніколаєнко, Ірина, and Н.А. Навроцький. “CRM SYSTEMS AS A COMPONENT OF INTERNET MARKETING ENTERPRISES”. SWorldJournal 2, no. 18-02 (March 30, 2023): 151–156. Accessed May 8, 2024. https://www.sworldjournal.com/index.php/swj/article/view/swj18-02-026.