HUA, S.; JIANG, P.; SCHNEIDER, G. P. Efficiency and Book-to-Market Ratios of U.S. Pharmaceutical Firms. Journal of Applied Business and Economics, [S. l.], v. 24, n. 3, 2022. Disponível em: https://articlearchives.co/index.php/JABE/article/view/2566. Acesso em: 14 dec. 2025.