Umar, Zubairu Darma, Nor Azwady Abd, Syaizwan Zahmir Zulkifli, and Muskhazli Mustafa. 2018. “Efficiency of Polycyclic Aromatic Hydrocarbons (PAHs) Degrading Consortium in Resisting Heavy Metals During PAHs Degradation”. International Journal of Environment 7 (1):14-27. https://doi.org/10.3126/ije.v7i1.21291.