TD Environmental technology. Sanitary engineering TP Chemical technology AC Collections. Series. Collected works AI Indexes (General) AS Academies and learned societies (General) BPPSPAM Column adsorption Environmental Engineering Groundwater Job Stress K Law (General) PDAM Penilaian Kinerja Rice husk Zinc adsorben adsorpsi adsorption air limbah laundry aluminum column fosfat kulit jagung pumice