Adeniyi, A.A., Idowu, A.B. and Okedeyi, O.O. 2003. ?LEVELS OF CADMIUM, CHROMIUM AND LEAD IN DUMPSITES SOIL, EARTHWORM (LYBRODRILUS VIOLACEOUS), HOUSEFLY (MUSCA DOMESTICA) AND DRAGON FLY (LIBELLULA LUCTOSA). Biological Sciences - PJSIR. 46, 6 (Dec. 2003), 452–456.