Stability of shark (Centrophorus sp.) liver oil rich in squalene as an immunostimulant Sugeng Heri Suseno, Roni Nugraha, Farah Nurjannah, Wahyu Ramadhan, Aninda Umu Arifah and As Syaffa Amalia Adha BIO Web Conf., 106 (2024) 05006 Published online: 03 May 2024 DOI: 10.1051/bioconf/202410605006