Hardisari, Ratih and Supartuti, Supartuti KAPPA TEST WITH PLATELET RICH PLASMA (PRP) AND PLATELET POOR PLASMA (PPP) BLOOD PREPARATION METHOD FOR EXAMINING THE VALUE OF ACTIVATED PARTIAL TROMBOPLASTIN TIME (APTT) AND PLASMA PROTROMBIN TIME (PPT). KAPPA TEST WITH PLATELET RICH PLASMA (PRP) AND PLATELET POOR PLASMA (PPP) BLOOD PREPARATION METHOD FOR EXAMINING THE VALUE OF ACTIVATED PARTIAL TROMBOPLASTIN TIME (APTT) AND PLASMA PROTROMBIN TIME (PPT).