Putrianto, N.K. et al. 2025. Optimal Duration of Campus Green Space Exposure for Stress Recovery and Vitality Enhancement among University Students in Malang. Jurnal Ilmiah Teknik Industri. 24, 02 (Dec. 2025), 266–274. DOI:https://doi.org/10.23917/jiti.v24i02.13428.