TAHA, A. .; NAJEEB , S. . A mathematical model for estimating the return on the exploitation of natural capital based on contemporary economic ideas. Humanities Journal of University of Zakho, [S. l.], v. 9, n. 1, p. 141–150, 2021. DOI: 10.26436/hjuoz.2021.9.1.670. Disponível em: https://hjuoz.uoz.edu.krd/index.php/hum/article/view/670. Acesso em: 29 mar. 2024.