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Sara Meilani Sihombing; Indra Hizkia P., S.Kep., Ns., M.Kep; Floresta Br Sitepu, S. Kep, Ns, .M.Psi. First Aid For Accidents Knowledge Level Of Students at Budi Murni 2 Catholic Private High School Medan 2023. JKF 2023, 6, 73-80.