Menéndez Ledesma, María José, and Magaly de Jesús Romo Álvarez. “Commercial Techniques to Improve Customer Service”. Journal of business and entrepreneurial studie 8, no. 3 (July 9, 2024): 1–11. Accessed May 26, 2026. https://journalbusinesses.com/index.php/revista/article/view/369.