[1]
Purnamasari, I. dkk. 2023. The effectiveness of giving Android-based applications as promotional media in improving COVID-19 preventive behavior in the community. Qanun Medika - Jurnal Kedokteran FK UMSurabaya. 7, 2 (Jul 2023). DOI:https://doi.org/10.30651/jqm.v7i2.12829.