Damayanti, Ajeng Tyas. “Analysis of Railway Travel Safety Perceptions of Machinist Work Stress in Yogyakarta Tugu Station”. Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal), vol. 2, no. 1, Mar. 2018, pp. 34-39, https://doi.org/10.37367/jpi.v2i1.24.