Younis A.Ahmed, and Dalia Khalid Faeq. “An Economic Evaluation of Training and Its Effect on Employee Performance in Building Construction Directory of Sulaimani Province – Kurdistan Region”. QALAAI ZANIST JOURNAL 5, no. 2 (June 30, 2020): 1048–1068. Accessed November 21, 2024. https://journal.lfu.edu.krd/ojs/index.php/qzj/article/view/540.