Syam, N. S., S. N. . Sari, and S. K. W. . Hastuti. “Evaluation of Use of Personal Protective Equipment for Health Care Workers In Hospital X Bantul”. Jurnal Ilmu Kesehatan Masyarakat, vol. 11, no. 2, July 2020, pp. 101-12, doi:10.26553/jikm.2020.11.2.101-112.