Availability extent of human engineering elements in business organizations / An analytical study of the opinions of a sample of leaders in Badoosh Cement Factory: Availability extent of human. NTU-JAHS [Internet]. 2023 Jul. 10 [cited 2024 Nov. 24];3(3):212-33. Available from: https://journals.ntu.edu.iq/index.php/NTU-JMS/article/view/559