Hutapea, R, D.(2021).Indonesian Journal Of Clinical Pathology and Medical Laboratory Vol.27 No.2 Maret 2021 .Surabaya:Indonesian Association Of Cinical Pathologists.
Gaya MLA
Hutapea, Ratna, Delima."Indonesian Journal Of Clinical Pathology and Medical Laboratory Vol.27 No.2 Maret 2021".Surabaya:Indonesian Association Of Cinical Pathologists,2021.Text.