“Overview of Junior High School Students’ Knowledge About the Covid-19 Vaccine at SMPN 6 Pekanbaru: Pintha Ulina Damanik, Yufitriana Amir, Ganis Indriati”, HC, vol. 12, no. 2, pp. 258–264, Dec. 2023, doi: 10.36763/healthcare.v12i2.289.