ZARAGOZA ALVARADO, Guillermo Alejandro. Descriptive Statistics Handbook: Definition and Exercises. [s.l.] : Editorial PLAGCIS,2025. DOI: 10.69821/PLAGCIS.25. Disponível em: https://plagcis.org/book/index.php/editorial/catalog/book/25. Acesso em: 1 nov. 2025.