SAMPAYO RODRÍGUEZ, C. J.; GONZÁLEZ AMBRIZ, R.; GARRIDO GONZÁLEZ, G.; SANTOS CASTELÁN, B. M. Data analysis and online positioning in small and medium enterprises. Programación Matemática y Software, [S. l.], v. 13, n. 3, p. 1–14, 2021. DOI: 10.30973/progmat/2021.13.3/1. Disponível em: https://progmat.uaem.mx/progmat/index.php/progmat/article/view/2021-13-3-01. Acesso em: 18 may. 2024.