ERDIANSYAH, Andika; PRATIWI, Yuli; SUNARSIH, Sri. Used Plastic Spoon Application as Anaerobic Biofilter Media in Reducing Bod5, Cod, And Tss Levels in Tofu Industry Liquid Waste. Engineering And Technology Journal, [S. l.], v. 11, n. 07, p. 10992–10994, 2026. DOI: 10.47191/etj/v11i07.23. Disponível em: https://everant.org/index.php/etj/article/view/2989. Acesso em: 28 sep. 2026.