K.Azeez, Ghufran, Wisam S. Al-Rekabi, and Samar A. Al-Khafaji. 2025. “Technology for Up-Flow Anaerobic Sludge Blanket (UASB) in Wastewater Treatment: A Mini-Review”. Vital Annex: International Journal of Novel Research in Advanced Sciences (2751-756X) 4 (5):149-57. https://journals.innoscie.com/index.php/ijnras/article/view/89.