Pola S.T. Panjaitan; Iman Mukhaimin; Dita Dwi Ambarwati; Rahmad Surya Hadi Saputra; Liliek Soeprijadi. Application of GMP and SSOP to the Production of Natural CO Frozen Red Kakap (Lutjanus sp.) Fillets at PT. Alam Jaya Surabaya. Grouper 2025, 16, 1-20.