MENÉNDEZ LEDESMA, M. J.; ROMO ÁLVAREZ, M. de J. Commercial techniques to improve customer service. Journal of business and entrepreneurial studie, [S. l.], v. 8, n. 3, p. 1–11, 2024. DOI: 10.37956/jbes.v8i3.369. Disponível em: https://journalbusinesses.com/index.php/revista/article/view/369. Acesso em: 26 may. 2026.