Wagemann Farfán, A., and C. N. Inostroza Guajardo. “The Execution of Public Works Contract in South America under COVID-19: Possible Alternatives to Maintain Its Economic Balance or Terminate It Early”. Derecho & Sociedad, no. 55, Dec. 2020, pp. 383-97, https://revistas.pucp.edu.pe/index.php/derechoysociedad/article/view/23255.