Salma Sabilla SS, Nastiti Winahyu, Endro Puji Astoko. Trading System for Goldfish Ornamental Fish in Boyolangu District, Tulungagung Regency: Tataniaga Ikan Hias Mas Koki di Kecamatan Boyolangu Kabupaten Tulungagung . mul. AGRI-TEK. mul. ind. ilmu. ilmu. ind [Internet]. 2025 Mar. 30 [cited 2026 Sep. 6];26(1):1-11. Available from: https://agritek.unmermadiun.ac.id/index.php/agritek/article/view/180