TROFIMOVA, O.M.; RUCHKIN, A.V. Algorithm of designing and development of the customer loyalty program in a commercial enterprise. Management Issues, [S. l.], v. 18, n. 6, p. 127–134, 2015. Disponível em: https://voprosy-upravleniya.owebs.ru/article/view/24216. Acesso em: 9 nov. 2026.