Ecological risk assessment of heavy metals and polycyclic aromatic hydrocarbons in sediments of rivers Niger and Benue confluence, Lokoja, Central Nigeria

2017 ◽  
Vol 24 (23) ◽  
pp. 18966-18978 ◽  
Author(s):  
Nwachukwu Ekere ◽  
Newman Yakubu ◽  
Janefrances Ihedioha
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