Saputra, Yedi, et al. “Factors Related to Subjective Eye Fatigue in Welding Workshop Workers”. Jurnal Ilmu Kesehatan Masyarakat Berkala (JIKeMB), vol. 3, no. 2, Nov. 2021, pp. 154-60, doi:10.32585/jikemb.v3i2.1989.