HASTUTI, F. T. THE EFFECT OF SERQUAL, BRAND IMAGE, AND CUSTOMER VALUE ON CUSTOMER LOYALTY TUTORING AGENCY GROUPS IN EAST SURABAYA. International Conference of Business and Social Sciences, [S. l.], v. 1, n. 1, 2025. Disponível em: https://ojsicobuss.stiesia.ac.id/index.php/icobuss1st/article/view/43. Acesso em: 25 aug. 2026.