LEONTIEV, Evgeny Dmitriyevich; PLOTNIKOV, Vladimir Aleksandrovich. Loyalty of Consumers as Criterion of an Assessment of Efficiency of Management of the Company (on the example of the telecommunication operator). Administrative Consulting, [S. l.], n. 8, p. 81–87, 2014. Disponível em: https://administrative-consulting.owebs.ru/article/view/12669. Acesso em: 8 nov. 2026.