علي عبد الحسين محمد, بشير احمد مهدي. Estimate productivity concrete work teams in the city of Karbala. IJAS [Internet]. 2025 Mar. 4 [cited 2025 Mar. 31];8(32):254-67. Available from: https://journals.uokerbala.edu.iq/index.php/ijas/article/view/3169