MOCHAMMAD TUTUK SAFIRIN; MEGA ISLAMI; RIZQI SARI; SINTA DEWI; ENNY ARYANNY. Mental Workload Analysis of Workers Using the Swedish Occupational Fatigue Index (SOFI) Method at A Job Shop, Sheet Metal, And Pipe Metal Manufacturing Company in Surabaya. Technium: Romanian Journal of Applied Sciences and Technology, Constanta, Romania, v. 16, n. 1, p. 411–416, 2023. DOI: 10.47577/technium.v16i.10020. Disponível em: https://www.techniumscience.com/index.php/technium/article/view/10020. Acesso em: 17 apr. 2026.