A., R. Mochamad; AMANDA, Dita Nur. Analisis ekonomi dalam matematika akibat Covid-19. Prosiding Seminar Nasional Matematika dan Pendidikan Matematika, [S. l.], v. 5, p. 171–177, 2020. Disponível em: http://103.98.176.39/index.php/senatik/article/view/905. Acesso em: 5 may. 2025.