Dr. NOR kARTINI ABU BAKARNOHA SAID A BEDOWR2022-05-192022-05-1929736https://drepo.sdl.edu.sa/handle/20.500.14154/16020REMOVAL OF 4-NITROPHENOL FROM SYNTHETIC WASTEWATER USING OIL PALM FIBERS-BASED ACTIVATED CARBONThesis