00645naa#a2200181#i#450# EN\\bibl\114387 20260207102111.6 2782-4586 20260204b2026####ek#y0engy0150####ca RU Risk management in customer relationship management:modeling techniqes and loss minimization Journal article Moscow ITBO University 2026 7 с. Journal article local Экономические науки в целом. Политическая экономия. 330 Antonova Alisa Aleksandrovna Grishina Irina Alekseevna jomeam.ru