[1]
Sangian, H.F. and Tongkukut, S. 2011. STUDY OF BIO-ETHANOL PREPARATION FROM ARENGA PALM SUGAR. Jurnal Ilmiah Sains. 11, 2 (Oct. 2011), 259–267. DOI:https://doi.org/10.35799/jis.11.2.2011.217.