Salma Sabilla, S. S., Nastiti Winahyu and Endro Puji Astoko (2025) “Trading System for Goldfish Ornamental Fish in Boyolangu District, Tulungagung Regency: Tataniaga Ikan Hias Mas Koki di Kecamatan Boyolangu Kabupaten Tulungagung ”, JURNAL AGRI-TEK : Jurnal Penelitian Ilmu-Ilmu Eksakta, 26(1), pp. 1–11. doi: 10.33319/agtek.v26i1.180.