Putri ZP. Is West Sumatera local regulation number 6 year 2020 creating compliant community behavior using masks as a preventive effort for Covid-19 in Padang City?. BKM-PHCM [Internet]. 2021Apr.14 [cited 2024Jul.1];00. Available from: https://jurnal.ugm.ac.id/v3/BKM/article/view/1622