KUMAR, M. MICROECONOMICS. International Journal of Economics, Management and Accounting, [S. l.], v. 17, n. 2, 2013. DOI: 10.31436/ijema.v17i2.162. Disponível em: https://journals.iium.edu.my/enmjournal/index.php/enmj/article/view/162. Acesso em: 3 may. 2024.