AHMAD KHAN, Bilal. Economic Impact Of Covid-19 And Change In Value System. International Journal on Integrated Education, [S. l.], v. 3, n. 8, p. 23–31, 2020. DOI: 10.31149/ijie.v3i8.530. Disponível em: https://journals.researchparks.org/index.php/IJIE/article/view/530. Acesso em: 7 nov. 2026.