Sinaga, S. E. N. (2021) “The Effect of Health Promotion in Improving the Attitudes of Health Students in Carrying Out the Health Protocol to Prevent Covid-19”, Jurnal Ners dan Kebidanan (Journal of Ners and Midwifery), 8(2), pp. 178–183. doi: 10.26699/jnk.v8i2.ART.p178-183.