Istiawati, Lamhot P. Manalu. “STUDI KASUS PENENTUAN RENDEMEN TEBU DI PABRIK GULA BUMN”. Jurnal Keteknikan Pertanian 20, no. 1 (February 19, 2014). Accessed December 24, 2025. https://journal.ipb.ac.id/jtep/article/view/7600.