Novianti, Relita, et al. “Pengelolaan Dan Analisis Nilai Tambah By-Products Industri Gula (Studi Kasus Di Pabrik Gula Gempolkrep, Mojokerto, Jawa Timur)”. Jurnal Ilmu Pertanian Indonesia, vol. 26, no. 3, July 2021, pp. 400-5, https://doi.org/10.18343/jipi.26.3.400.