“DETERMINATION OF PAHS IN UNDERGROUND WATER USING GC-MS AND GC-FID IN OSUN STATE, SOUTHWEST NIGERIA ”. FUDMA JOURNAL OF SCIENCES 9, no. 2 (February 28, 2025): 152–157. Accessed September 17, 2025. http://162.254.38.185/index.php/fjs/article/view/3140.