ثامر جعفر الله ويردي; محمد وفي عباس. Using regression analysis as a method for estimating costs and making decisions. Iraqi Journal for Administrative Sciences, كربلاء، جمهورية العراق, v. 5, n. 21, p. 159–172, 2024. Disponível em: https://mail.journals.uokerbala.edu.iq/index.php/ijas/article/view/1963. Acesso em: 19 jan. 2025.