CHICAIZA-VACA, Jorge; MOSQUERA, Claudia; PINZA, Belen. Impact of the COVID -19 Pandemic on the Freight Transport Sector: Companies in the Province of Pichincha as a Case Study. Revista Tecnológica - ESPOL, Guayaqui, EC, v. 34, n. 2, p. 214–227, 2022. DOI: 10.37815/rte.v34n2.941. Disponível em: https://rte.espol.edu.ec/index.php/tecnologica/article/view/941. Acesso em: 23 apr. 2026.