[1]
E. Fitri, W. Winbaktianur, and F. Fadhilah, “THE RELATIONSHIP BETWEEN DIFFICULTY COEFFICIENT AND PSYCHOLOGICAL WELL-BEING AMONG EMPLOYEES OF PT. CHINA STATE CONSTRUCTION OVERSEAS DEVELOPMENT SHANGHAI”, Pacak: J. of Naka Psy., vol. 1, no. 1, pp. 23–32, May 2026.