“Customer Satisfaction With the Measures Implemented by Businesses in Matagalpa in 2020 in Response to the COVID-19 Pandemic”. FACE: Revista de la Facultad de Ciencias Económicas y Empresariales 21, no. 3 (October 2, 2021): 70–80. Accessed October 16, 2025. https://ojs.unipamplona.edu.co/index.php/face/article/view/1136.