Ayu, Dewi Fortuna, et al. “Characterization of the Oil from the Abdomen Part of Smoked Catfish (Pangasius Hypophthalmus) Processing by-Product”. Jurnal Pengolahan Hasil Perikanan Indonesia, vol. 22, no. 1, Apr. 2019, pp. 187-9, https://doi.org/10.17844/jphpi.v22i1.26473.