TY - BOOK AU - Farwa Amjad, TI - Decolourization of used vegetable oil by bentonite clay: / Farwa Amjad SN - (hbk) U1 - 543.5 PY - 2013/// CY - Lahore PB - Division of Science & Technology, University of Education KW - Decolourization--Vegetable--Bentonite ER -