The Use of Liquid Waste of Tofu Industry for Biogas Production Using an Anaerobic Digester - Soeprijanto Soeprijanto; Vicky Aditia Tristanto; Moch Revandra; Ervina Rosanita Rohmah; Harits Eka Febrianto (Prosiding Seminar Nasional Teknik Kimia "Kejuangan", 2019)