Hasan Bashori, Lukman Hakim. Optimalisasi Preventive Maintenance pada AC Tipe Split melalui Analisis Fishbone Diagram. Jurnal Hasil Penelitian dan Pengembangan [Internet]. 2026 Jan. 31 [cited 2026 Nov. 10];4(1). Available from: https://jurnalcendekia.id/index.php/jhpp/article/view/846