WAHAB KHIDER AL-YAS, A. Low Prices Phenomenon during the Time of the Caliph Abi-Ja’far AL-Mansoor 136-158 A.H. College of Basic Education Research Journal, [S. l.], v. 7, n. 4, p. 173–196, 2008. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/38675. Acesso em: 26 oct. 2025.