“Overview of Junior High School Students’ Knowledge About the Covid-19 Vaccine at SMPN 6 Pekanbaru: Pintha Ulina Damanik, Yufitriana Amir, Ganis Indriati”. HEALTH CARE: JURNAL KESEHATAN 12, no. 2 (December 28, 2023): 258–264. Accessed January 13, 2026. https://jurnal.payungnegeri.ac.id/index.php/healthcare/article/view/289.