Erina Rahmadyanti, Agus Wiyono, and Guntur Arif Firmansyah. “INTEGRATED SYSTEM OF BIOFILTER AND CONSTRUCTED WETLAND FOR SUSTAINABLE BATIK INDUSTRY”. GEOMATE Journal, vol. 18, no. 70, June 2020, pp. 138-4, https://geomatejournal.com/geomate/article/view/630.