PENGARUH PERLAKUAN AWAL BASA DAN ASAM TERHADAP KADAR GULA REDUKSI TANDAN KOSONGKELAPA SAWIT [The effect of alkali and acid pretreatment on reduced sugar of empty palm fruit bunches] - Sutikno, Sutikno (Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung, 2017)