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Barrera Novoa, A.R. and Bernal Rojas, Álvaro . 2022. Impact of covid 19 on trade in small regions, analysis seen from the perspective of the municipality of Sogamoso – Boyacá.
Documentos de Trabajo ECACEN. 2 (Oct. 2022), 53–63
. DOI:https://doi.org/10.22490/ECACEN.6306.