Jennifa et al. 2023. THE RELATIONSHIP BETWEEN KNOWLEDGE AND ATTITUDES REGARDING THE USE OF PPE IN THE COVID-19 PANDEMIC PERIOD OF NERS PROFESSIONAL STUDENTS IN SLEMAN DISTRICT. PROFESSIONAL HEALTH JOURNAL. 4, 1 (Jan. 2023), 172–179. DOI:https://doi.org/10.54832/phj.v4i1.372.