Estiasih, Teti, Endang Trowulan, and Widya Dwi Rukmi. 2017. “Fortification of Sardine Fish Oil from By-Product of Canning Processing into Beef Meatball and Chicken Nugget”. Jurnal Pengolahan Hasil Perikanan Indonesia 20 (1). Bogor, ID, 164-78. https://doi.org/10.17844/jphpi.v20i1.16504.