URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/microwave-assisted-green-synthesis-of-nitrobenzene-using-sulfated-natural-zeolite-as-a-potential-solid-acid-catalyst-dcfcd07e645d245babe887e5e2daa016/7a7aab49-b037-11ee-abf0-e4434b0aade8