VERDUGA VERDUGA, Diana Lizbeth et al. Sombras en el aula volumen 4. [s.l.] : Alumni Editora,2026. DOI: 10.70625/alumned/31. Disponível em: https://alumnieditora.com/omp/index.php/home/catalog/book/31. Acesso em: 14 nov. 2026.