ASTUTIK, Fitri; RIZKILLAH, Muhammad. Desain Sistem E-Book Struktur Data Di Masa Pandemi Covid-19. Empiricism Journal, [S. l.], v. 3, n. 1, p. 122–131, 2022. DOI: 10.36312/ej.v3i1.877. Disponível em: https://journal-center.litpam.com/index.php/empiricism/article/view/877. Acesso em: 29 jan. 2026.