A. VOLOBOY, A. MOKRA, BЕLOZERTSEV V., and O. YELISYEYEVA, “INFORMATION TECHNOLOGIES IN SYSTEM OF CUSTOMER RELATIONSHIP MANAGEMENT”, Herald of Khmelnytskyi National University. Economic sciences, vol. 306, no. 3, pp. 278–281, May 2022, doi: 10.31891/2307-5740-2022-306-3-41.