John Danilo Pedraza López, and Derly Caterine Rodríguez Munevar. “Analysis of the Input-Output Equation of the Onion Production in the Municipality of Aquitania – Boyacá”. Migration Letters 20, no. S3 (August 10, 2023): 1235–1243. Accessed July 22, 2024. https://migrationletters.com/index.php/ml/article/view/4718.