Franatha Sembiring, Rinaldhy, and Cynthia Donarta Tarigan. “Effectiveness of Rifampicin Chemoprophylaxis in Preventing Leprosy in Close Contacts: A Systematic Review”. International Journal of Health and Pharmaceutical (IJHP), vol. 6, no. 1, Apr. 2026, pp. 513-22, doi:10.51601/ijhp.v6i1.581.