Kashim, M. I. A. .; Mohamad, M. N. .; Hasim, N. A. .; Yahaya, M. Z. .; Safri, L. S. . .; Mokhtar, M. H. . DETERMINATION OF VACCINATION RULE BASED ON NAJIS(IMPURITIES) NOTION ACCORDING TO ISLAM AND SCIENCE IN MALAYSIA. CIBG 2021, 27, 6367-6383.