Sumeru, K., Tohir, T., Panjaitan, N., & Firdaus bin Sukri, M. (2021). Experimnetal Investigation on Outdoor and Indoor PM2.5 and PM10 in Supermarkets in Bandung During Covid-19 Pandemic. International Journal Applied Technology Research, 2(2), 127-135. https://doi.org/10.35313/ijatr.v2i2.52