Ekowati, G. W., & Rahmayanti, M. (2019). KAJIAN DESORPSI ZAT WARNA INDIGOSOL BLUE DARI ADSORBEN HUMIN HASIL ISOLASI TANAH GAMBUT RIAU, SUMATERA. Analit : Analytical and Environmental Chemistry, 4(02), 68–75. https://doi.org/10.23960/aec.v4i2.2019.p68-75