Huri, Daman, et al. “Process Performance of the Arenga Sap Vacuum Evaporator Using a Solar Panel As a Single Power Source”. Jurnal ASIIMETRIK Jurnal Ilmiah Rekayasa & Inovasi, vol. 8, no. 1, Jan. 2026, pp. 147-58, https://doi.org/10.35814/asiimetrik.v8i1.9468.