Application of fish flour liquid waste as alternative growth media for producing xylanase by Budiman, Frederick, Nurrohman, Ardiana Ilham, Ekwanda, Refka Revina Melyata, Ginarto Arif Wicaksono, Ginarto Arif Wicaksono, Khairun Nisa, Khairun Nisa, Yamani, Laura Navika, Md. Ilias, Rosli, Tri Puspaningsih, Ni Nyoman