The degree of application of human engineering elements (Ergonomics) and its relationship to the organizational happiness : A case study of Palestine Technical College. م.ك.ف.ت.ا.د [Internet]. 2026 Apr. 13 [cited 2026 Apr. 28];8(1):270-325. Available from: https://journals.ptcdb.edu.ps/index.php/PTCJRS/article/view/44