Anaerobic Digestion and Codigestion of Chlorella Vulgaris Microalgae Biomass with Wastewater Sludge and Dairy Manure for Biogas Production. alkej [Internet]. 2017 Sep. 30 [cited 2025 Apr. 30];13(3):18-26. Available from: https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/367