Agustin, N., and S. Sariah. “The Relationship Between Individual Factors and Work Fatigue In Employees of PT Adhi Persada Gedung Bekasi Year 2018”. Jurnal Persada Husada Indonesia, Vol. 5, no. 19, Oct. 2018, pp. 18-30, doi:10.56014/jphi.v5i19.159.