TY - BOOK AU - Gamis, Reimier T. TI - Comparative analysis on wastewater purification using orange peel, activated carbonized corn stalk and activated carbonized rice hull s filter medium PY - 2015/// CY - City of Batac PB - MMSU, N1 - Thesis (BS in Chemical Engineering) -- Mariano Marcos State University -- College of Engineering, City of Batac, 2015; Bibliography : leaves 38-40 ER -