Bioprocess optimization of xanthan production by xanthomonas campestris using liquid pineapple waste / by Ahmad Ramli Rashidi, 1987-, author 535565, Daniel Joe Dailin, 1987-, supervisor 603502, Hesham Ali Metwally Ali El-Enshasy, 1968-, supervisor 558294, Fakulti Kejuruteraan Kimia dan Kejuruteraan Tenaga 599090