علي عبد الحسين محمد; بشير احمد مهدي. Estimate productivity concrete work teams in the city of Karbala. Iraqi Journal for Administrative Sciences, كربلاء، جمهورية العراق, v. 8, n. 32, p. 254–267, 2025. Disponível em: https://journals.uokerbala.edu.iq/index.php/ijas/article/view/3169. Acesso em: 31 mar. 2025.