1.
Zuardin Z, Sukwara Akfan S. Vaccine: Pandemic Covid-19 during Hajj and Umrah (an editorial). JIHS [Internet]. 2022 Feb. 24 [cited 2023 Jan. 29];1(1):1-3. Available from: http://jurnalfpk.uinsby.ac.id/index.php/JIHS/article/view/700