Improving the Color of Koi Fish (Cyprinus carpio) through Supplementation with Pumpkin Flour and Shrimp Flour - Sugiarto; Riyadi, Farid Mukhtar; Riyadi, Farid Mukhtar; Suriadi, La; Kusumah, Billi Rifa (Jurnal Jembatan Efektivitas Ilmu dan Akhlak Ahlussunah Wal Jama’ah, 2025)