SELEKSI METODA EKSTRAKSI KURKUMINOID UNTU MENENTUKAN KUALITAS RIMPANG TEMULAWAK (Curcuma xanthorrhiza Roxb.) Selection method of curcuminoid extraction to determine the quality of Temulawak rhizome (Curcuma xanthorrhiza Roxb.) - Santosa, Budhi (Badan Penelitian dan Pengembangan Kesehatan, 2012)