Ayu, B.F. et al. 2024. The Relationship between Drinking Water Consumption, Nutritional Status and Workload with The Incidence of Heat Strain in Tofu-Making Workers in West Kekalik Sub-District. Hydrogen: Jurnal Kependidikan Kimia. 12, 3 (Jul. 2024), 663–674. DOI:https://doi.org/10.33394/hjkk.v12i3.12373.