Exporters' risk perceptions during covid times: a study with Colombian and Brazilian SMEs. - Danielle Nunes Pozzo; Isamar Gutierrez Roa; Carlos Alfonso Gonzalez Beleño; Hussein Jaafar Orfale; Andrés Mauricio Ahumada Montaño; Aníbal José Rueda Gomez (EUSPN/ICTH, 2022)