Febrina, S., and Y. M. L. Gultom. “THE IMPACT OF COMMUNITY MOBILITY TREND ON AIR POLLUTANTS DURING LARGE-SCALE SOCIAL RESTRICTION COVID-19 PANDEMIC”. HIGIENE: Jurnal Kesehatan Lingkungan, Vol. 9, no. 1, May 2023, pp. 7-15, doi:10.24252/higiene.v9i1.34700.