F. Obinduka, I. L. Nwaogazie, O. Akaranta, and G. O. Abu, “Total Petroleum Hydrocarbons (TPHs) and Polycyclic Aromatic Hydrocarbons (PAHs) Removal in Spent Synthetic-based Drilling Mud Using Organic Fertilizer”, eist-v2, pp. 92-106, Jan. 2020.