Nurrahmi, N., R. F. Kaban, and H. S. Widjaja. “The Effects of Religiosity and Halal Knowledge on the Decision to Use the Covid-19 Vaccine ”. Ilomata International Journal of Social Science, Vol. 4, no. 3, July 2023, pp. 376-89, doi:10.52728/ijss.v4i3.788.