Fitria, A. N., Supriyadi, S., Al-Irsyad, M. and Hapsari, A. (2025) “Impact of large-scale social restrictions on air quality (NO₂, CO, O₃) during COVID-19: Surabaya case study, Indonesia”, Public Health and Occupational Safety Journal, 1(1), pp. 27-39. doi: 10.56003/phosj.v1i1.528.