Anggraeni, Anggraeni, Sawarni Hasibuan, Burhanuddin Malik, and Rizza Wijaya. 2013. “Improving The Quality of Tofu Waste As A Source of Feed Through Fermentation Using the Bacillus Amyloliquefaciens Culture”. International Journal on Advanced Science, Engineering and Information Technology 3 (4):285-88. https://doi.org/10.18517/ijaseit.3.4.305.