Tatroman, Adu, and Herlina Herlina. 2018. “The Influence of Employee Knowledge and Fatigue on Work Accident at Lippo Thamrin Project Office Tower PT Wijaya Karya (Wika), Year 2017”. Jurnal Persada Husada Indonesia 5 (19), 61-67. https://doi.org/10.56014/jphi.v5i19.161.