Choy Pun, Augusto Carlos, Yuli Patricia Lugo Muñoz, Zarai Ccasa Aquiz, Ashley Paucar Cruz, Percy Jhair Villa Fernández, and Diana Huaranga Calixto. “Quality Management System (ISO 9001:2015) to Improve Customer Satisfaction in a Beauty Salon: Evidence from Montalvo Salon & Spa - San Miguel”. LACCEI 1, no. 14 (July 27, 2026). Accessed October 2, 2026. https://proceedings.laccei.org/index.php/laccei/article/view/6835.