“Spatial Assessment of Polycyclic Aromatic Hydrocarbons in Streambed Sediments: Spatial Assessment of PAHs in Streambed Sediments” (2009) Biological Sciences - PJSIR, 52(5), pp. 253–259. Available at: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/557 (Accessed: 10 March 2026).