Gutierrez Melendez, Diego Ronaldo, Karla Luana Colque Colque, and Luis Roberto Quispe Vásquez. “Implementation of Quality Management Tools to Improve Customer Service at ‘Heladería Copitos’”. LACCEI 2, no. 13 (December 9, 2025). Accessed May 10, 2026. https://proceedings.laccei.org/index.php/laccei/article/view/5006.