JEL Classification: М11, М13, M31. DOI: https://doi.org/10.31521/modecon.V49(2025)-18 Viktoriia Makerska, PhD student of the Department of Marketing, Sumy State University, Sumy, Ukraine ORCID ID: 0000-0001-6628-8623 e-mail: v.makerska@kmm.sumdu.edu.ua Problems of CRM Systems Implementing in Small and Medium-Sized Businesses Abstract. Introduction. In the context of globalization and constant changes, small and medium-sized businesses play an increasingly importantRead more