Marketing social responsibility actions around COVID-19 in restaurants in the city of Chilpancingo, Guerrero. Revista de Investigaciones Universidad del Quindío, [S. l.], v. 33, n. S1, p. 240–250, 2021. DOI: 10.33975/riuq.vol33nS1.496. Disponível em: https://ojs.uniquindio.edu.co/ojs/index.php/riuq/article/view/496. Acesso em: 25 jun. 2026.