The effect of managers’ overconfidence on cash holdings in companies listed on the Baghdad stock exchange: Mathematical analysis . Periodicals of Engineering and Natural Sciences, [S. l.], v. 11, n. 6, p. 85–92, 2023. DOI: 10.21533/pen.v11.i6.196. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/196. Acesso em: 29 apr. 2026.