Febrianik, Dwi, et al. “Application Traceability System in Fish Processing Lemadang Frozen Portion in PT. Graha Insan Sejahtera, North Jakarta”. Jurnal Pengolahan Hasil Perikanan Indonesia, vol. 20, no. 1, Apr. 2017, pp. 179-87, https://doi.org/10.17844/jphpi.v20i1.16505.