AVILA QUIÑONES, Cristian Orlando; MARQUES DE OLIVEIRA, Nilton. Basic Course of Classical Econometrics. Colombia,CO: Sello Editorial UNAD,2025. DOI: 10.22490/UNAD. Disponível em: https://libros.unad.edu.co/index.php/selloeditorial/catalog/book/444. Acesso em: 9 nov. 2025.