Economics Education and Teaching the Theory of the Firm Excerpts from Economics Textbook Materials. International Research in Economics and Finance, [S. l.], v. 2, n. 2, p. p39, 2018. DOI: 10.20849/iref.v2i2.494. Disponível em: https://journal.chapjulypress.org/index.php/iref/article/view/2666. Acesso em: 7 mar. 2026.