فهرس المقالات South East (Nigeria) حرية الوصول المقاله صفحة الملخص نص كامل 1 - Sources and Cancer Risk Exposure of Polycyclic Aromatic Hydrocarbons in Soils from Industrial Areas in Southeastern, Nigeria Uchechi Onyedikachi Chuka Belonwu Mattew Wegwu Emmanuel Ejiofor Mattew Awah 10.22034/jchr.2019.668185