Okan OL, Ugonabor VI, Onu CE, Chinedu JU. PPLICATION OF TRICKLING FILTER WITH HYBRID BIOFILM SUPPORT MEDIA IN THE TREATMENT OF PETROLEUM EFFLUENT. laujet [Internet]. 2022Jun.28 [cited 2025Apr.2];16(2):94-105. Available from: https://laujet.com/index.php/laujet/article/view/516