ISOMITDINOVICH, A. U. . Some Comments on the Functional Structure of E-Textbooks. International Journal on Integrated Education, [S. l.], v. 5, n. 6, p. 479–482, 2022. DOI: 10.31149/ijie.v5i6.3276. Disponível em: https://journals.researchparks.org/index.php/IJIE/article/view/3276. Acesso em: 12 oct. 2026.