“Overview of Junior High School Students’ Knowledge About the Covid-19 Vaccine at SMPN 6 Pekanbaru: Pintha Ulina Damanik, Yufitriana Amir, Ganis Indriati” (2023) HEALTH CARE: JURNAL KESEHATAN, 12(2), pp. 258–264. doi:10.36763/healthcare.v12i2.289.