DAVIS, W. Y. Return The Sunk Costs Are Sunk Concept To Principles Of Economics Textbooks. Journal of Business & Economics Research (JBER), [S. l.], v. 3, n. 6, 2005. DOI: 10.19030/jber.v3i6.2787. Disponível em: https://clutejournals.com/index.php/JBER/article/view/2787. Acesso em: 18 jul. 2024.