SALLAM, Osama Azmi. Factors Affecting Systematic Risk of Saudi Industrial Stocks. Journal of Economic, Administrative and Legal Sciences, New Mexico, United States, v. 4, n. 10, p. 162–144, 2020. DOI: 10.26389/AJSRP.S120320‎. Disponível em: https://www.ajsrp.ojsexpert.com/index.php/jeals/article/view/2864. Acesso em: 20 dec. 2025.