CLASSIFICATION OF BLOOD DONOR DATA USING C4.5 AND K-NEAREST NEIGHBOR METHODS (CASE STUDY: UTD PMI BALI PROVINCE). pilar [Internet]. 9 Maret 2022 [dikutip 11 Februari 2026];18(1):9-16. Tersedia pada: https://ejournal.nusamandiri.ac.id/index.php/pilar/article/view/2790