Sudibyo, H., Shabrina, Z.L., Wondah, H.R., Hastuti, R.T., Purnomo, C.W. and Budhijanto, W. 2018. ANAEROBIC DIGESTION OF LANDFILL LEACHATE WITH NATURAL ZEOLITE AND SUGARCANE BAGASSE FLY ASH AS THE MICROBIAL IMMOBILIZATION MEDIA IN PACKED BED REACTOR. Acta Polytechnica. 58, 1 (Feb. 2018), 57–68. DOI:https://doi.org/10.14311/AP.2018.58.0057.